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</pre><pre class='rust '>
<span class='doccomment'>//! Deserializing TOML into Rust structures.</span>
<span class='doccomment'>//!</span>
<span class='doccomment'>//! This module contains all the Serde support for deserializing TOML documents</span>
<span class='doccomment'>//! into Rust structures. Note that some top-level functions here are also</span>
<span class='doccomment'>//! provided at the top of the crate.</span>
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>borrow</span>::<span class='ident'>Cow</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>error</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>fmt</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>str</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>vec</span>;
<span class='kw'>use</span> <span class='ident'>serde</span>::<span class='ident'>de</span>;
<span class='kw'>use</span> <span class='ident'>tokens</span>::{<span class='ident'>Tokenizer</span>, <span class='ident'>Token</span>, <span class='ident'>Error</span> <span class='kw'>as</span> <span class='ident'>TokenError</span>};
<span class='kw'>use</span> <span class='ident'>datetime</span>::{<span class='ident'>SERDE_STRUCT_FIELD_NAME</span>, <span class='ident'>SERDE_STRUCT_NAME</span>};
<span class='doccomment'>/// Deserializes a byte slice into a type.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// This function will attempt to interpret `bytes` as UTF-8 data and then</span>
<span class='doccomment'>/// deserialize `T` from the TOML document provided.</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>from_slice</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span>(<span class='ident'>bytes</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>T</span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>T</span>: <span class='ident'>de</span>::<span class='ident'>Deserialize</span>,
{
<span class='kw'>match</span> <span class='ident'>str</span>::<span class='ident'>from_utf8</span>(<span class='ident'>bytes</span>) {
<span class='prelude-val'>Ok</span>(<span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>from_str</span>(<span class='ident'>s</span>),
<span class='prelude-val'>Err</span>(<span class='ident'>e</span>) <span class='op'>=></span> <span class='prelude-val'>Err</span>(<span class='ident'>Error</span>::<span class='ident'>custom</span>(<span class='ident'>e</span>.<span class='ident'>to_string</span>())),
}
}
<span class='doccomment'>/// Deserializes a string into a type.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// This function will attempt to interpret `s` as a TOML document and</span>
<span class='doccomment'>/// deserialize `T` from the document.</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>from_str</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span>(<span class='ident'>s</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>T</span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>T</span>: <span class='ident'>de</span>::<span class='ident'>Deserialize</span>,
{
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>d</span> <span class='op'>=</span> <span class='ident'>Deserializer</span>::<span class='ident'>new</span>(<span class='ident'>s</span>);
<span class='kw'>let</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='ident'>T</span>::<span class='ident'>deserialize</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>d</span>)<span class='question-mark'>?</span>;
<span class='ident'>d</span>.<span class='ident'>end</span>()<span class='question-mark'>?</span>;
<span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='ident'>ret</span>)
}
<span class='doccomment'>/// Errors that can occur when deserializing a type.</span>
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Debug</span>, <span class='ident'>Clone</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>Error</span> {
<span class='ident'>inner</span>: <span class='ident'>Box</span><span class='op'><</span><span class='ident'>ErrorInner</span><span class='op'>></span>,
}
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Debug</span>, <span class='ident'>Clone</span>)]</span>
<span class='kw'>struct</span> <span class='ident'>ErrorInner</span> {
<span class='ident'>kind</span>: <span class='ident'>ErrorKind</span>,
<span class='ident'>line</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span>,
<span class='ident'>col</span>: <span class='ident'>usize</span>,
<span class='ident'>message</span>: <span class='ident'>String</span>,
<span class='ident'>key</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span>,
}
<span class='doccomment'>/// Errors that can occur when deserializing a type.</span>
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Debug</span>, <span class='ident'>Clone</span>)]</span>
<span class='kw'>enum</span> <span class='ident'>ErrorKind</span> {
<span class='doccomment'>/// EOF was reached when looking for a value</span>
<span class='ident'>UnexpectedEof</span>,
<span class='doccomment'>/// An invalid character not allowed in a string was found</span>
<span class='ident'>InvalidCharInString</span>(<span class='ident'>char</span>),
<span class='doccomment'>/// An invalid character was found as an escape</span>
<span class='ident'>InvalidEscape</span>(<span class='ident'>char</span>),
<span class='doccomment'>/// An invalid character was found in a hex escape</span>
<span class='ident'>InvalidHexEscape</span>(<span class='ident'>char</span>),
<span class='doccomment'>/// An invalid escape value was specified in a hex escape in a string.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// Valid values are in the plane of unicode codepoints.</span>
<span class='ident'>InvalidEscapeValue</span>(<span class='ident'>u32</span>),
<span class='doccomment'>/// A newline in a string was encountered when one was not allowed.</span>
<span class='ident'>NewlineInString</span>,
<span class='doccomment'>/// An unexpected character was encountered, typically when looking for a</span>
<span class='doccomment'>/// value.</span>
<span class='ident'>Unexpected</span>(<span class='ident'>char</span>),
<span class='doccomment'>/// An unterminated string was found where EOF was found before the ending</span>
<span class='doccomment'>/// EOF mark.</span>
<span class='ident'>UnterminatedString</span>,
<span class='doccomment'>/// A newline was found in a table key.</span>
<span class='ident'>NewlineInTableKey</span>,
<span class='doccomment'>/// A number failed to parse</span>
<span class='ident'>NumberInvalid</span>,
<span class='doccomment'>/// A date or datetime was invalid</span>
<span class='ident'>DateInvalid</span>,
<span class='doccomment'>/// Wanted one sort of token, but found another.</span>
<span class='ident'>Wanted</span> {
<span class='doccomment'>/// Expected token type</span>
<span class='ident'>expected</span>: <span class='kw-2'>&</span><span class='lifetime'>'static</span> <span class='ident'>str</span>,
<span class='doccomment'>/// Actually found token type</span>
<span class='ident'>found</span>: <span class='kw-2'>&</span><span class='lifetime'>'static</span> <span class='ident'>str</span>,
},
<span class='doccomment'>/// An array was decoded but the types inside of it were mixed, which is</span>
<span class='doccomment'>/// disallowed by TOML.</span>
<span class='ident'>MixedArrayType</span>,
<span class='doccomment'>/// A duplicate table definition was found.</span>
<span class='ident'>DuplicateTable</span>(<span class='ident'>String</span>),
<span class='doccomment'>/// A previously defined table was redefined as an array.</span>
<span class='ident'>RedefineAsArray</span>,
<span class='doccomment'>/// An empty table key was found.</span>
<span class='ident'>EmptyTableKey</span>,
<span class='doccomment'>/// A custom error which could be generated when deserializing a particular</span>
<span class='doccomment'>/// type.</span>
<span class='ident'>Custom</span>,
<span class='attribute'>#[<span class='ident'>doc</span>(<span class='ident'>hidden</span>)]</span>
<span class='ident'>__Nonexhaustive</span>,
}
<span class='doccomment'>/// Deserialization implementation for TOML.</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>Deserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>require_newline_after_table</span>: <span class='ident'>bool</span>,
<span class='ident'>input</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span>,
<span class='ident'>tokens</span>: <span class='ident'>Tokenizer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>,
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='lifetime'>'b</span><span class='op'>></span> <span class='ident'>de</span>::<span class='ident'>Deserializer</span> <span class='kw'>for</span> <span class='kw-2'>&</span><span class='lifetime'>'b</span> <span class='kw-2'>mut</span> <span class='ident'>Deserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Error</span> <span class='op'>=</span> <span class='ident'>Error</span>;
<span class='kw'>fn</span> <span class='ident'>deserialize</span><span class='op'><</span><span class='ident'>V</span><span class='op'>></span>(<span class='self'>self</span>, <span class='ident'>visitor</span>: <span class='ident'>V</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>V</span>::<span class='ident'>Value</span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>V</span>: <span class='ident'>de</span>::<span class='ident'>Visitor</span>,
{
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>tables</span> <span class='op'>=</span> <span class='ident'>Vec</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>cur_table</span> <span class='op'>=</span> <span class='ident'>Table</span> {
<span class='ident'>at</span>: <span class='number'>0</span>,
<span class='ident'>header</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(),
<span class='ident'>values</span>: <span class='prelude-val'>None</span>,
<span class='ident'>array</span>: <span class='bool-val'>false</span>,
};
<span class='kw'>while</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>(<span class='ident'>line</span>) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>line</span>()<span class='question-mark'>?</span> {
<span class='kw'>match</span> <span class='ident'>line</span> {
<span class='ident'>Line</span>::<span class='ident'>Table</span> { <span class='ident'>at</span>, <span class='kw-2'>mut</span> <span class='ident'>header</span>, <span class='ident'>array</span> } <span class='op'>=></span> {
<span class='kw'>if</span> <span class='ident'>cur_table</span>.<span class='ident'>header</span>.<span class='ident'>len</span>() <span class='op'>></span> <span class='number'>0</span> <span class='op'>||</span> <span class='ident'>cur_table</span>.<span class='ident'>values</span>.<span class='ident'>is_some</span>() {
<span class='ident'>tables</span>.<span class='ident'>push</span>(<span class='ident'>cur_table</span>);
}
<span class='ident'>cur_table</span> <span class='op'>=</span> <span class='ident'>Table</span> {
<span class='ident'>at</span>: <span class='ident'>at</span>,
<span class='ident'>header</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(),
<span class='ident'>values</span>: <span class='prelude-val'>Some</span>(<span class='ident'>Vec</span>::<span class='ident'>new</span>()),
<span class='ident'>array</span>: <span class='ident'>array</span>,
};
<span class='kw'>loop</span> {
<span class='kw'>let</span> <span class='ident'>part</span> <span class='op'>=</span> <span class='ident'>header</span>.<span class='ident'>next</span>().<span class='ident'>map_err</span>(<span class='op'>|</span><span class='ident'>e</span><span class='op'>|</span> {
<span class='self'>self</span>.<span class='ident'>token_error</span>(<span class='ident'>e</span>)
});
<span class='kw'>match</span> <span class='ident'>part</span><span class='question-mark'>?</span> {
<span class='prelude-val'>Some</span>(<span class='ident'>part</span>) <span class='op'>=></span> <span class='ident'>cur_table</span>.<span class='ident'>header</span>.<span class='ident'>push</span>(<span class='ident'>part</span>),
<span class='prelude-val'>None</span> <span class='op'>=></span> <span class='kw'>break</span>,
}
}
}
<span class='ident'>Line</span>::<span class='ident'>KeyValue</span>(<span class='ident'>key</span>, <span class='ident'>value</span>) <span class='op'>=></span> {
<span class='kw'>if</span> <span class='ident'>cur_table</span>.<span class='ident'>values</span>.<span class='ident'>is_none</span>() {
<span class='ident'>cur_table</span>.<span class='ident'>values</span> <span class='op'>=</span> <span class='prelude-val'>Some</span>(<span class='ident'>Vec</span>::<span class='ident'>new</span>());
}
<span class='ident'>cur_table</span>.<span class='ident'>values</span>.<span class='ident'>as_mut</span>().<span class='ident'>unwrap</span>().<span class='ident'>push</span>((<span class='ident'>key</span>, <span class='ident'>value</span>));
}
}
}
<span class='kw'>if</span> <span class='ident'>cur_table</span>.<span class='ident'>header</span>.<span class='ident'>len</span>() <span class='op'>></span> <span class='number'>0</span> <span class='op'>||</span> <span class='ident'>cur_table</span>.<span class='ident'>values</span>.<span class='ident'>is_some</span>() {
<span class='ident'>tables</span>.<span class='ident'>push</span>(<span class='ident'>cur_table</span>);
}
<span class='ident'>visitor</span>.<span class='ident'>visit_map</span>(<span class='ident'>MapVisitor</span> {
<span class='ident'>values</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>().<span class='ident'>into_iter</span>(),
<span class='ident'>next_value</span>: <span class='prelude-val'>None</span>,
<span class='ident'>depth</span>: <span class='number'>0</span>,
<span class='ident'>cur</span>: <span class='number'>0</span>,
<span class='ident'>cur_parent</span>: <span class='number'>0</span>,
<span class='ident'>max</span>: <span class='ident'>tables</span>.<span class='ident'>len</span>(),
<span class='ident'>tables</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>tables</span>,
<span class='ident'>array</span>: <span class='bool-val'>false</span>,
<span class='ident'>de</span>: <span class='self'>self</span>,
})
}
<span class='macro'>forward_to_deserialize</span><span class='macro'>!</span> {
<span class='ident'>bool</span> <span class='ident'>u8</span> <span class='ident'>u16</span> <span class='ident'>u32</span> <span class='ident'>u64</span> <span class='ident'>i8</span> <span class='ident'>i16</span> <span class='ident'>i32</span> <span class='ident'>i64</span> <span class='ident'>f32</span> <span class='ident'>f64</span> <span class='ident'>char</span> <span class='ident'>str</span> <span class='ident'>string</span> <span class='ident'>seq</span>
<span class='ident'>seq_fixed_size</span> <span class='ident'>bytes</span> <span class='ident'>byte_buf</span> <span class='ident'>map</span> <span class='kw'>struct</span> <span class='ident'>unit</span> <span class='kw'>enum</span> <span class='ident'>newtype_struct</span>
<span class='ident'>struct_field</span> <span class='ident'>ignored_any</span> <span class='ident'>unit_struct</span> <span class='ident'>tuple_struct</span> <span class='ident'>tuple</span> <span class='ident'>option</span>
}
}
<span class='kw'>struct</span> <span class='ident'>Table</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>at</span>: <span class='ident'>usize</span>,
<span class='ident'>header</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>Cow</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>str</span><span class='op'>>></span>,
<span class='ident'>values</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>Vec</span><span class='op'><</span>(<span class='ident'>Cow</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>str</span><span class='op'>></span>, <span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>)<span class='op'>>></span>,
<span class='ident'>array</span>: <span class='ident'>bool</span>,
}
<span class='attribute'>#[<span class='ident'>doc</span>(<span class='ident'>hidden</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>MapVisitor</span><span class='op'><</span><span class='lifetime'>'a</span>: <span class='lifetime'>'b</span>, <span class='lifetime'>'b</span><span class='op'>></span> {
<span class='ident'>values</span>: <span class='ident'>vec</span>::<span class='ident'>IntoIter</span><span class='op'><</span>(<span class='ident'>Cow</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>str</span><span class='op'>></span>, <span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>)<span class='op'>></span>,
<span class='ident'>next_value</span>: <span class='prelude-ty'>Option</span><span class='op'><</span>(<span class='ident'>Cow</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>str</span><span class='op'>></span>, <span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>)<span class='op'>></span>,
<span class='ident'>depth</span>: <span class='ident'>usize</span>,
<span class='ident'>cur</span>: <span class='ident'>usize</span>,
<span class='ident'>cur_parent</span>: <span class='ident'>usize</span>,
<span class='ident'>max</span>: <span class='ident'>usize</span>,
<span class='ident'>tables</span>: <span class='kw-2'>&</span><span class='lifetime'>'b</span> <span class='kw-2'>mut</span> [<span class='ident'>Table</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>],
<span class='ident'>array</span>: <span class='ident'>bool</span>,
<span class='ident'>de</span>: <span class='kw-2'>&</span><span class='lifetime'>'b</span> <span class='kw-2'>mut</span> <span class='ident'>Deserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>,
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='lifetime'>'b</span><span class='op'>></span> <span class='ident'>de</span>::<span class='ident'>MapVisitor</span> <span class='kw'>for</span> <span class='ident'>MapVisitor</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='lifetime'>'b</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Error</span> <span class='op'>=</span> <span class='ident'>Error</span>;
<span class='kw'>fn</span> <span class='ident'>visit_key_seed</span><span class='op'><</span><span class='ident'>K</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>seed</span>: <span class='ident'>K</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>K</span>::<span class='ident'>Value</span><span class='op'>></span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>K</span>: <span class='ident'>de</span>::<span class='ident'>DeserializeSeed</span>,
{
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>cur_parent</span> <span class='op'>==</span> <span class='self'>self</span>.<span class='ident'>max</span> <span class='op'>||</span> <span class='self'>self</span>.<span class='ident'>cur</span> <span class='op'>==</span> <span class='self'>self</span>.<span class='ident'>max</span> {
<span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='prelude-val'>None</span>)
}
<span class='kw'>loop</span> {
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='self'>self</span>.<span class='ident'>next_value</span>.<span class='ident'>is_none</span>());
<span class='kw'>if</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>((<span class='ident'>key</span>, <span class='ident'>value</span>)) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>values</span>.<span class='ident'>next</span>() {
<span class='kw'>let</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='ident'>seed</span>.<span class='ident'>deserialize</span>(<span class='ident'>StrDeserializer</span>::<span class='ident'>new</span>(<span class='ident'>key</span>.<span class='ident'>clone</span>()))<span class='question-mark'>?</span>;
<span class='self'>self</span>.<span class='ident'>next_value</span> <span class='op'>=</span> <span class='prelude-val'>Some</span>((<span class='ident'>key</span>, <span class='ident'>value</span>));
<span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='prelude-val'>Some</span>(<span class='ident'>ret</span>))
}
<span class='kw'>let</span> <span class='ident'>next_table</span> <span class='op'>=</span> {
<span class='kw'>let</span> <span class='ident'>prefix</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>tables</span>[<span class='self'>self</span>.<span class='ident'>cur_parent</span>].<span class='ident'>header</span>[..<span class='self'>self</span>.<span class='ident'>depth</span>];
<span class='self'>self</span>.<span class='ident'>tables</span>[<span class='self'>self</span>.<span class='ident'>cur</span>..<span class='self'>self</span>.<span class='ident'>max</span>].<span class='ident'>iter</span>().<span class='ident'>enumerate</span>().<span class='ident'>find</span>(<span class='op'>|</span><span class='kw-2'>&</span>(_, <span class='ident'>t</span>)<span class='op'>|</span> {
<span class='kw'>if</span> <span class='ident'>t</span>.<span class='ident'>values</span>.<span class='ident'>is_none</span>() {
<span class='kw'>return</span> <span class='bool-val'>false</span>
}
<span class='kw'>match</span> <span class='ident'>t</span>.<span class='ident'>header</span>.<span class='ident'>get</span>(..<span class='self'>self</span>.<span class='ident'>depth</span>) {
<span class='prelude-val'>Some</span>(<span class='ident'>header</span>) <span class='op'>=></span> <span class='ident'>header</span> <span class='op'>==</span> <span class='ident'>prefix</span>,
<span class='prelude-val'>None</span> <span class='op'>=></span> <span class='bool-val'>false</span>,
}
}).<span class='ident'>map</span>(<span class='op'>|</span>(<span class='ident'>i</span>, _)<span class='op'>|</span> <span class='ident'>i</span> <span class='op'>+</span> <span class='self'>self</span>.<span class='ident'>cur</span>)
};
<span class='kw'>let</span> <span class='ident'>pos</span> <span class='op'>=</span> <span class='kw'>match</span> <span class='ident'>next_table</span> {
<span class='prelude-val'>Some</span>(<span class='ident'>pos</span>) <span class='op'>=></span> <span class='ident'>pos</span>,
<span class='prelude-val'>None</span> <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='prelude-val'>None</span>),
};
<span class='self'>self</span>.<span class='ident'>cur</span> <span class='op'>=</span> <span class='ident'>pos</span>;
<span class='comment'>// Test to see if we're duplicating our parent's table, and if so</span>
<span class='comment'>// then this is an error in the toml format</span>
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>cur_parent</span> <span class='op'>!=</span> <span class='ident'>pos</span> <span class='op'>&&</span>
<span class='self'>self</span>.<span class='ident'>tables</span>[<span class='self'>self</span>.<span class='ident'>cur_parent</span>].<span class='ident'>header</span> <span class='op'>==</span> <span class='self'>self</span>.<span class='ident'>tables</span>[<span class='ident'>pos</span>].<span class='ident'>header</span> {
<span class='kw'>let</span> <span class='ident'>at</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tables</span>[<span class='ident'>pos</span>].<span class='ident'>at</span>;
<span class='kw'>let</span> <span class='ident'>name</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tables</span>[<span class='ident'>pos</span>].<span class='ident'>header</span>.<span class='ident'>join</span>(<span class='string'>"."</span>);
<span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>de</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>DuplicateTable</span>(<span class='ident'>name</span>)))
}
<span class='kw'>let</span> <span class='ident'>table</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>.<span class='ident'>tables</span>[<span class='ident'>pos</span>];
<span class='comment'>// If we're not yet at the appropriate depth for this table then we</span>
<span class='comment'>// just visit the next portion of its header and then continue</span>
<span class='comment'>// decoding.</span>
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>depth</span> <span class='op'>!=</span> <span class='ident'>table</span>.<span class='ident'>header</span>.<span class='ident'>len</span>() {
<span class='kw'>let</span> <span class='ident'>key</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='ident'>table</span>.<span class='ident'>header</span>[<span class='self'>self</span>.<span class='ident'>depth</span>];
<span class='kw'>let</span> <span class='ident'>key</span> <span class='op'>=</span> <span class='ident'>seed</span>.<span class='ident'>deserialize</span>(<span class='ident'>StrDeserializer</span>::<span class='ident'>new</span>(<span class='ident'>key</span>[..].<span class='ident'>into</span>()))<span class='question-mark'>?</span>;
<span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='prelude-val'>Some</span>(<span class='ident'>key</span>))
}
<span class='comment'>// Rule out cases like:</span>
<span class='comment'>//</span>
<span class='comment'>// [[foo.bar]]</span>
<span class='comment'>// [[foo]]</span>
<span class='kw'>if</span> <span class='ident'>table</span>.<span class='ident'>array</span> {
<span class='kw'>let</span> <span class='ident'>kind</span> <span class='op'>=</span> <span class='ident'>ErrorKind</span>::<span class='ident'>RedefineAsArray</span>;
<span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>de</span>.<span class='ident'>error</span>(<span class='ident'>table</span>.<span class='ident'>at</span>, <span class='ident'>kind</span>))
}
<span class='self'>self</span>.<span class='ident'>values</span> <span class='op'>=</span> <span class='ident'>table</span>.<span class='ident'>values</span>.<span class='ident'>take</span>().<span class='ident'>unwrap</span>().<span class='ident'>into_iter</span>();
}
}
<span class='kw'>fn</span> <span class='ident'>visit_value_seed</span><span class='op'><</span><span class='ident'>V</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>seed</span>: <span class='ident'>V</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>V</span>::<span class='ident'>Value</span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>V</span>: <span class='ident'>de</span>::<span class='ident'>DeserializeSeed</span>,
{
<span class='kw'>if</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>((<span class='ident'>k</span>, <span class='ident'>v</span>)) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>next_value</span>.<span class='ident'>take</span>() {
<span class='kw'>match</span> <span class='ident'>seed</span>.<span class='ident'>deserialize</span>(<span class='ident'>ValueDeserializer</span>::<span class='ident'>new</span>(<span class='ident'>v</span>)) {
<span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>),
<span class='prelude-val'>Err</span>(<span class='kw-2'>mut</span> <span class='ident'>e</span>) <span class='op'>=></span> {
<span class='ident'>e</span>.<span class='ident'>add_key_context</span>(<span class='kw-2'>&</span><span class='ident'>k</span>);
<span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='ident'>e</span>)
}
}
}
<span class='kw'>let</span> <span class='ident'>array</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tables</span>[<span class='self'>self</span>.<span class='ident'>cur</span>].<span class='ident'>array</span> <span class='op'>&&</span>
<span class='self'>self</span>.<span class='ident'>depth</span> <span class='op'>==</span> <span class='self'>self</span>.<span class='ident'>tables</span>[<span class='self'>self</span>.<span class='ident'>cur</span>].<span class='ident'>header</span>.<span class='ident'>len</span>() <span class='op'>-</span> <span class='number'>1</span>;
<span class='self'>self</span>.<span class='ident'>cur</span> <span class='op'>+=</span> <span class='number'>1</span>;
<span class='kw'>let</span> <span class='ident'>res</span> <span class='op'>=</span> <span class='ident'>seed</span>.<span class='ident'>deserialize</span>(<span class='ident'>MapVisitor</span> {
<span class='ident'>values</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>().<span class='ident'>into_iter</span>(),
<span class='ident'>next_value</span>: <span class='prelude-val'>None</span>,
<span class='ident'>depth</span>: <span class='self'>self</span>.<span class='ident'>depth</span> <span class='op'>+</span> <span class='kw'>if</span> <span class='ident'>array</span> {<span class='number'>0</span>} <span class='kw'>else</span> {<span class='number'>1</span>},
<span class='ident'>cur_parent</span>: <span class='self'>self</span>.<span class='ident'>cur</span> <span class='op'>-</span> <span class='number'>1</span>,
<span class='ident'>cur</span>: <span class='number'>0</span>,
<span class='ident'>max</span>: <span class='self'>self</span>.<span class='ident'>max</span>,
<span class='ident'>array</span>: <span class='ident'>array</span>,
<span class='ident'>tables</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='kw-2'>*</span><span class='self'>self</span>.<span class='ident'>tables</span>,
<span class='ident'>de</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='kw-2'>*</span><span class='self'>self</span>.<span class='ident'>de</span>,
});
<span class='ident'>res</span>.<span class='ident'>map_err</span>(<span class='op'>|</span><span class='kw-2'>mut</span> <span class='ident'>e</span><span class='op'>|</span> {
<span class='ident'>e</span>.<span class='ident'>add_key_context</span>(<span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>tables</span>[<span class='self'>self</span>.<span class='ident'>cur</span> <span class='op'>-</span> <span class='number'>1</span>].<span class='ident'>header</span>[<span class='self'>self</span>.<span class='ident'>depth</span>]);
<span class='ident'>e</span>
})
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='lifetime'>'b</span><span class='op'>></span> <span class='ident'>de</span>::<span class='ident'>SeqVisitor</span> <span class='kw'>for</span> <span class='ident'>MapVisitor</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='lifetime'>'b</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Error</span> <span class='op'>=</span> <span class='ident'>Error</span>;
<span class='kw'>fn</span> <span class='ident'>visit_seed</span><span class='op'><</span><span class='ident'>K</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>seed</span>: <span class='ident'>K</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>K</span>::<span class='ident'>Value</span><span class='op'>></span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>K</span>: <span class='ident'>de</span>::<span class='ident'>DeserializeSeed</span>,
{
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='self'>self</span>.<span class='ident'>next_value</span>.<span class='ident'>is_none</span>());
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='self'>self</span>.<span class='ident'>values</span>.<span class='ident'>next</span>().<span class='ident'>is_none</span>());
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>cur_parent</span> <span class='op'>==</span> <span class='self'>self</span>.<span class='ident'>max</span> {
<span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='prelude-val'>None</span>)
}
<span class='kw'>let</span> <span class='ident'>next</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tables</span>[..<span class='self'>self</span>.<span class='ident'>max</span>]
.<span class='ident'>iter</span>()
.<span class='ident'>enumerate</span>()
.<span class='ident'>skip</span>(<span class='self'>self</span>.<span class='ident'>cur_parent</span> <span class='op'>+</span> <span class='number'>1</span>)
.<span class='ident'>find</span>(<span class='op'>|</span><span class='kw-2'>&</span>(_, <span class='ident'>table</span>)<span class='op'>|</span> {
<span class='ident'>table</span>.<span class='ident'>array</span> <span class='op'>&&</span> <span class='ident'>table</span>.<span class='ident'>header</span> <span class='op'>==</span> <span class='self'>self</span>.<span class='ident'>tables</span>[<span class='self'>self</span>.<span class='ident'>cur_parent</span>].<span class='ident'>header</span>
}).<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>p</span><span class='op'>|</span> <span class='ident'>p</span>.<span class='number'>0</span>)
.<span class='ident'>unwrap_or</span>(<span class='self'>self</span>.<span class='ident'>max</span>);
<span class='kw'>let</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='ident'>seed</span>.<span class='ident'>deserialize</span>(<span class='ident'>MapVisitor</span> {
<span class='ident'>values</span>: <span class='self'>self</span>.<span class='ident'>tables</span>[<span class='self'>self</span>.<span class='ident'>cur_parent</span>].<span class='ident'>values</span>.<span class='ident'>take</span>().<span class='ident'>unwrap</span>().<span class='ident'>into_iter</span>(),
<span class='ident'>next_value</span>: <span class='prelude-val'>None</span>,
<span class='ident'>depth</span>: <span class='self'>self</span>.<span class='ident'>depth</span> <span class='op'>+</span> <span class='number'>1</span>,
<span class='ident'>cur_parent</span>: <span class='self'>self</span>.<span class='ident'>cur_parent</span>,
<span class='ident'>max</span>: <span class='ident'>next</span>,
<span class='ident'>cur</span>: <span class='number'>0</span>,
<span class='ident'>array</span>: <span class='bool-val'>false</span>,
<span class='ident'>tables</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>.<span class='ident'>tables</span>,
<span class='ident'>de</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>.<span class='ident'>de</span>,
})<span class='question-mark'>?</span>;
<span class='self'>self</span>.<span class='ident'>cur_parent</span> <span class='op'>=</span> <span class='ident'>next</span>;
<span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='prelude-val'>Some</span>(<span class='ident'>ret</span>))
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='lifetime'>'b</span><span class='op'>></span> <span class='ident'>de</span>::<span class='ident'>Deserializer</span> <span class='kw'>for</span> <span class='ident'>MapVisitor</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='lifetime'>'b</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Error</span> <span class='op'>=</span> <span class='ident'>Error</span>;
<span class='kw'>fn</span> <span class='ident'>deserialize</span><span class='op'><</span><span class='ident'>V</span><span class='op'>></span>(<span class='self'>self</span>, <span class='ident'>visitor</span>: <span class='ident'>V</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>V</span>::<span class='ident'>Value</span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>V</span>: <span class='ident'>de</span>::<span class='ident'>Visitor</span>,
{
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>array</span> {
<span class='ident'>visitor</span>.<span class='ident'>visit_seq</span>(<span class='self'>self</span>)
} <span class='kw'>else</span> {
<span class='ident'>visitor</span>.<span class='ident'>visit_map</span>(<span class='self'>self</span>)
}
}
<span class='comment'>// `None` is interpreted as a missing field so be sure to implement `Some`</span>
<span class='comment'>// as a present field.</span>
<span class='kw'>fn</span> <span class='ident'>deserialize_option</span><span class='op'><</span><span class='ident'>V</span><span class='op'>></span>(<span class='self'>self</span>, <span class='ident'>visitor</span>: <span class='ident'>V</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>V</span>::<span class='ident'>Value</span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>V</span>: <span class='ident'>de</span>::<span class='ident'>Visitor</span>
{
<span class='ident'>visitor</span>.<span class='ident'>visit_some</span>(<span class='self'>self</span>)
}
<span class='macro'>forward_to_deserialize</span><span class='macro'>!</span> {
<span class='ident'>bool</span> <span class='ident'>u8</span> <span class='ident'>u16</span> <span class='ident'>u32</span> <span class='ident'>u64</span> <span class='ident'>i8</span> <span class='ident'>i16</span> <span class='ident'>i32</span> <span class='ident'>i64</span> <span class='ident'>f32</span> <span class='ident'>f64</span> <span class='ident'>char</span> <span class='ident'>str</span> <span class='ident'>string</span> <span class='ident'>seq</span>
<span class='ident'>seq_fixed_size</span> <span class='ident'>bytes</span> <span class='ident'>byte_buf</span> <span class='ident'>map</span> <span class='kw'>struct</span> <span class='ident'>unit</span> <span class='ident'>newtype_struct</span>
<span class='ident'>struct_field</span> <span class='ident'>ignored_any</span> <span class='ident'>unit_struct</span> <span class='ident'>tuple_struct</span> <span class='ident'>tuple</span> <span class='kw'>enum</span>
}
}
<span class='kw'>struct</span> <span class='ident'>StrDeserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>key</span>: <span class='ident'>Cow</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>str</span><span class='op'>></span>,
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>StrDeserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='kw'>fn</span> <span class='ident'>new</span>(<span class='ident'>key</span>: <span class='ident'>Cow</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>str</span><span class='op'>></span>) <span class='op'>-></span> <span class='ident'>StrDeserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>StrDeserializer</span> {
<span class='ident'>key</span>: <span class='ident'>key</span>,
}
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>de</span>::<span class='ident'>Deserializer</span> <span class='kw'>for</span> <span class='ident'>StrDeserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Error</span> <span class='op'>=</span> <span class='ident'>Error</span>;
<span class='kw'>fn</span> <span class='ident'>deserialize</span><span class='op'><</span><span class='ident'>V</span><span class='op'>></span>(<span class='self'>self</span>, <span class='ident'>visitor</span>: <span class='ident'>V</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>V</span>::<span class='ident'>Value</span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>V</span>: <span class='ident'>de</span>::<span class='ident'>Visitor</span>,
{
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>key</span> {
<span class='ident'>Cow</span>::<span class='ident'>Borrowed</span>(<span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>visitor</span>.<span class='ident'>visit_str</span>(<span class='ident'>s</span>),
<span class='ident'>Cow</span>::<span class='ident'>Owned</span>(<span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>visitor</span>.<span class='ident'>visit_string</span>(<span class='ident'>s</span>),
}
}
<span class='macro'>forward_to_deserialize</span><span class='macro'>!</span> {
<span class='ident'>bool</span> <span class='ident'>u8</span> <span class='ident'>u16</span> <span class='ident'>u32</span> <span class='ident'>u64</span> <span class='ident'>i8</span> <span class='ident'>i16</span> <span class='ident'>i32</span> <span class='ident'>i64</span> <span class='ident'>f32</span> <span class='ident'>f64</span> <span class='ident'>char</span> <span class='ident'>str</span> <span class='ident'>string</span> <span class='ident'>seq</span>
<span class='ident'>seq_fixed_size</span> <span class='ident'>bytes</span> <span class='ident'>byte_buf</span> <span class='ident'>map</span> <span class='kw'>struct</span> <span class='ident'>option</span> <span class='ident'>unit</span> <span class='ident'>newtype_struct</span>
<span class='ident'>struct_field</span> <span class='ident'>ignored_any</span> <span class='ident'>unit_struct</span> <span class='ident'>tuple_struct</span> <span class='ident'>tuple</span> <span class='kw'>enum</span>
}
}
<span class='kw'>struct</span> <span class='ident'>ValueDeserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>value</span>: <span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>,
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>ValueDeserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='kw'>fn</span> <span class='ident'>new</span>(<span class='ident'>value</span>: <span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>) <span class='op'>-></span> <span class='ident'>ValueDeserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>ValueDeserializer</span> {
<span class='ident'>value</span>: <span class='ident'>value</span>,
}
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>de</span>::<span class='ident'>Deserializer</span> <span class='kw'>for</span> <span class='ident'>ValueDeserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Error</span> <span class='op'>=</span> <span class='ident'>Error</span>;
<span class='kw'>fn</span> <span class='ident'>deserialize</span><span class='op'><</span><span class='ident'>V</span><span class='op'>></span>(<span class='self'>self</span>, <span class='ident'>visitor</span>: <span class='ident'>V</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>V</span>::<span class='ident'>Value</span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>V</span>: <span class='ident'>de</span>::<span class='ident'>Visitor</span>,
{
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>value</span> {
<span class='ident'>Value</span>::<span class='ident'>Integer</span>(<span class='ident'>i</span>) <span class='op'>=></span> <span class='ident'>visitor</span>.<span class='ident'>visit_i64</span>(<span class='ident'>i</span>),
<span class='ident'>Value</span>::<span class='ident'>Boolean</span>(<span class='ident'>b</span>) <span class='op'>=></span> <span class='ident'>visitor</span>.<span class='ident'>visit_bool</span>(<span class='ident'>b</span>),
<span class='ident'>Value</span>::<span class='ident'>Float</span>(<span class='ident'>f</span>) <span class='op'>=></span> <span class='ident'>visitor</span>.<span class='ident'>visit_f64</span>(<span class='ident'>f</span>),
<span class='ident'>Value</span>::<span class='ident'>String</span>(<span class='ident'>Cow</span>::<span class='ident'>Borrowed</span>(<span class='ident'>s</span>)) <span class='op'>=></span> <span class='ident'>visitor</span>.<span class='ident'>visit_str</span>(<span class='ident'>s</span>),
<span class='ident'>Value</span>::<span class='ident'>String</span>(<span class='ident'>Cow</span>::<span class='ident'>Owned</span>(<span class='ident'>s</span>)) <span class='op'>=></span> <span class='ident'>visitor</span>.<span class='ident'>visit_string</span>(<span class='ident'>s</span>),
<span class='ident'>Value</span>::<span class='ident'>Datetime</span>(<span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>visitor</span>.<span class='ident'>visit_map</span>(<span class='ident'>DatetimeDeserializer</span> {
<span class='ident'>date</span>: <span class='ident'>s</span>,
<span class='ident'>visited</span>: <span class='bool-val'>false</span>,
}),
<span class='ident'>Value</span>::<span class='ident'>Array</span>(<span class='ident'>values</span>) <span class='op'>=></span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>s</span> <span class='op'>=</span> <span class='ident'>de</span>::<span class='ident'>value</span>::<span class='ident'>SeqDeserializer</span>::<span class='ident'>new</span>(<span class='ident'>values</span>.<span class='ident'>into_iter</span>());
<span class='kw'>let</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='ident'>visitor</span>.<span class='ident'>visit_seq</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>s</span>)<span class='question-mark'>?</span>;
<span class='ident'>s</span>.<span class='ident'>end</span>()<span class='question-mark'>?</span>;
<span class='prelude-val'>Ok</span>(<span class='ident'>ret</span>)
}
<span class='ident'>Value</span>::<span class='ident'>InlineTable</span>(<span class='ident'>values</span>) <span class='op'>=></span> {
<span class='ident'>visitor</span>.<span class='ident'>visit_map</span>(<span class='ident'>InlineTableDeserializer</span> {
<span class='ident'>values</span>: <span class='ident'>values</span>.<span class='ident'>into_iter</span>(),
<span class='ident'>next_value</span>: <span class='prelude-val'>None</span>,
})
}
}
}
<span class='kw'>fn</span> <span class='ident'>deserialize_struct</span><span class='op'><</span><span class='ident'>V</span><span class='op'>></span>(<span class='self'>self</span>,
<span class='ident'>name</span>: <span class='kw-2'>&</span><span class='lifetime'>'static</span> <span class='ident'>str</span>,
<span class='ident'>fields</span>: <span class='kw-2'>&</span><span class='lifetime'>'static</span> [<span class='kw-2'>&</span><span class='lifetime'>'static</span> <span class='ident'>str</span>],
<span class='ident'>visitor</span>: <span class='ident'>V</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>V</span>::<span class='ident'>Value</span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>V</span>: <span class='ident'>de</span>::<span class='ident'>Visitor</span>,
{
<span class='kw'>if</span> <span class='ident'>name</span> <span class='op'>==</span> <span class='ident'>SERDE_STRUCT_NAME</span> <span class='op'>&&</span> <span class='ident'>fields</span> <span class='op'>==</span> <span class='kw-2'>&</span>[<span class='ident'>SERDE_STRUCT_FIELD_NAME</span>] {
<span class='kw'>if</span> <span class='kw'>let</span> <span class='ident'>Value</span>::<span class='ident'>Datetime</span>(<span class='kw-2'>ref</span> <span class='ident'>s</span>) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>value</span> {
<span class='kw'>return</span> <span class='ident'>visitor</span>.<span class='ident'>visit_map</span>(<span class='ident'>DatetimeDeserializer</span> {
<span class='ident'>date</span>: <span class='ident'>s</span>,
<span class='ident'>visited</span>: <span class='bool-val'>false</span>,
})
}
}
<span class='self'>self</span>.<span class='ident'>deserialize</span>(<span class='ident'>visitor</span>)
}
<span class='comment'>// `None` is interpreted as a missing field so be sure to implement `Some`</span>
<span class='comment'>// as a present field.</span>
<span class='kw'>fn</span> <span class='ident'>deserialize_option</span><span class='op'><</span><span class='ident'>V</span><span class='op'>></span>(<span class='self'>self</span>, <span class='ident'>visitor</span>: <span class='ident'>V</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>V</span>::<span class='ident'>Value</span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>V</span>: <span class='ident'>de</span>::<span class='ident'>Visitor</span>
{
<span class='ident'>visitor</span>.<span class='ident'>visit_some</span>(<span class='self'>self</span>)
}
<span class='macro'>forward_to_deserialize</span><span class='macro'>!</span> {
<span class='ident'>bool</span> <span class='ident'>u8</span> <span class='ident'>u16</span> <span class='ident'>u32</span> <span class='ident'>u64</span> <span class='ident'>i8</span> <span class='ident'>i16</span> <span class='ident'>i32</span> <span class='ident'>i64</span> <span class='ident'>f32</span> <span class='ident'>f64</span> <span class='ident'>char</span> <span class='ident'>str</span> <span class='ident'>string</span> <span class='ident'>seq</span>
<span class='ident'>seq_fixed_size</span> <span class='ident'>bytes</span> <span class='ident'>byte_buf</span> <span class='ident'>map</span> <span class='ident'>unit</span> <span class='ident'>newtype_struct</span>
<span class='ident'>struct_field</span> <span class='ident'>ignored_any</span> <span class='ident'>unit_struct</span> <span class='ident'>tuple_struct</span> <span class='ident'>tuple</span> <span class='kw'>enum</span>
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>de</span>::<span class='ident'>value</span>::<span class='ident'>ValueDeserializer</span><span class='op'><</span><span class='ident'>Error</span><span class='op'>></span> <span class='kw'>for</span> <span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Deserializer</span> <span class='op'>=</span> <span class='ident'>ValueDeserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>;
<span class='kw'>fn</span> <span class='ident'>into_deserializer</span>(<span class='self'>self</span>) <span class='op'>-></span> <span class='self'>Self</span>::<span class='ident'>Deserializer</span> {
<span class='ident'>ValueDeserializer</span>::<span class='ident'>new</span>(<span class='self'>self</span>)
}
}
<span class='kw'>struct</span> <span class='ident'>DatetimeDeserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>visited</span>: <span class='ident'>bool</span>,
<span class='ident'>date</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span>,
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>de</span>::<span class='ident'>MapVisitor</span> <span class='kw'>for</span> <span class='ident'>DatetimeDeserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Error</span> <span class='op'>=</span> <span class='ident'>Error</span>;
<span class='kw'>fn</span> <span class='ident'>visit_key_seed</span><span class='op'><</span><span class='ident'>K</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>seed</span>: <span class='ident'>K</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>K</span>::<span class='ident'>Value</span><span class='op'>></span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>K</span>: <span class='ident'>de</span>::<span class='ident'>DeserializeSeed</span>,
{
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>visited</span> {
<span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='prelude-val'>None</span>)
}
<span class='self'>self</span>.<span class='ident'>visited</span> <span class='op'>=</span> <span class='bool-val'>true</span>;
<span class='ident'>seed</span>.<span class='ident'>deserialize</span>(<span class='ident'>DatetimeFieldDeserializer</span>).<span class='ident'>map</span>(<span class='prelude-val'>Some</span>)
}
<span class='kw'>fn</span> <span class='ident'>visit_value_seed</span><span class='op'><</span><span class='ident'>V</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>seed</span>: <span class='ident'>V</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>V</span>::<span class='ident'>Value</span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>V</span>: <span class='ident'>de</span>::<span class='ident'>DeserializeSeed</span>,
{
<span class='ident'>seed</span>.<span class='ident'>deserialize</span>(<span class='ident'>StrDeserializer</span>::<span class='ident'>new</span>(<span class='self'>self</span>.<span class='ident'>date</span>.<span class='ident'>into</span>()))
}
}
<span class='kw'>struct</span> <span class='ident'>DatetimeFieldDeserializer</span>;
<span class='kw'>impl</span> <span class='ident'>de</span>::<span class='ident'>Deserializer</span> <span class='kw'>for</span> <span class='ident'>DatetimeFieldDeserializer</span> {
<span class='kw'>type</span> <span class='ident'>Error</span> <span class='op'>=</span> <span class='ident'>Error</span>;
<span class='kw'>fn</span> <span class='ident'>deserialize</span><span class='op'><</span><span class='ident'>V</span><span class='op'>></span>(<span class='self'>self</span>, <span class='ident'>visitor</span>: <span class='ident'>V</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>V</span>::<span class='ident'>Value</span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>V</span>: <span class='ident'>de</span>::<span class='ident'>Visitor</span>,
{
<span class='ident'>visitor</span>.<span class='ident'>visit_str</span>(<span class='ident'>SERDE_STRUCT_FIELD_NAME</span>)
}
<span class='macro'>forward_to_deserialize</span><span class='macro'>!</span> {
<span class='ident'>bool</span> <span class='ident'>u8</span> <span class='ident'>u16</span> <span class='ident'>u32</span> <span class='ident'>u64</span> <span class='ident'>i8</span> <span class='ident'>i16</span> <span class='ident'>i32</span> <span class='ident'>i64</span> <span class='ident'>f32</span> <span class='ident'>f64</span> <span class='ident'>char</span> <span class='ident'>str</span> <span class='ident'>string</span> <span class='ident'>seq</span>
<span class='ident'>seq_fixed_size</span> <span class='ident'>bytes</span> <span class='ident'>byte_buf</span> <span class='ident'>map</span> <span class='kw'>struct</span> <span class='ident'>option</span> <span class='ident'>unit</span> <span class='ident'>newtype_struct</span>
<span class='ident'>struct_field</span> <span class='ident'>ignored_any</span> <span class='ident'>unit_struct</span> <span class='ident'>tuple_struct</span> <span class='ident'>tuple</span> <span class='kw'>enum</span>
}
}
<span class='kw'>struct</span> <span class='ident'>InlineTableDeserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>values</span>: <span class='ident'>vec</span>::<span class='ident'>IntoIter</span><span class='op'><</span>(<span class='ident'>Cow</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>str</span><span class='op'>></span>, <span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>)<span class='op'>></span>,
<span class='ident'>next_value</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>>></span>,
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>de</span>::<span class='ident'>MapVisitor</span> <span class='kw'>for</span> <span class='ident'>InlineTableDeserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Error</span> <span class='op'>=</span> <span class='ident'>Error</span>;
<span class='kw'>fn</span> <span class='ident'>visit_key_seed</span><span class='op'><</span><span class='ident'>K</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>seed</span>: <span class='ident'>K</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>K</span>::<span class='ident'>Value</span><span class='op'>></span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>K</span>: <span class='ident'>de</span>::<span class='ident'>DeserializeSeed</span>,
{
<span class='kw'>let</span> (<span class='ident'>key</span>, <span class='ident'>value</span>) <span class='op'>=</span> <span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>values</span>.<span class='ident'>next</span>() {
<span class='prelude-val'>Some</span>(<span class='ident'>pair</span>) <span class='op'>=></span> <span class='ident'>pair</span>,
<span class='prelude-val'>None</span> <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='prelude-val'>None</span>),
};
<span class='self'>self</span>.<span class='ident'>next_value</span> <span class='op'>=</span> <span class='prelude-val'>Some</span>(<span class='ident'>value</span>);
<span class='ident'>seed</span>.<span class='ident'>deserialize</span>(<span class='ident'>StrDeserializer</span>::<span class='ident'>new</span>(<span class='ident'>key</span>)).<span class='ident'>map</span>(<span class='prelude-val'>Some</span>)
}
<span class='kw'>fn</span> <span class='ident'>visit_value_seed</span><span class='op'><</span><span class='ident'>V</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>seed</span>: <span class='ident'>V</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>V</span>::<span class='ident'>Value</span>, <span class='ident'>Error</span><span class='op'>></span>
<span class='kw'>where</span> <span class='ident'>V</span>: <span class='ident'>de</span>::<span class='ident'>DeserializeSeed</span>,
{
<span class='kw'>let</span> <span class='ident'>value</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>next_value</span>.<span class='ident'>take</span>().<span class='ident'>unwrap</span>();
<span class='ident'>seed</span>.<span class='ident'>deserialize</span>(<span class='ident'>ValueDeserializer</span>::<span class='ident'>new</span>(<span class='ident'>value</span>))
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>Deserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='doccomment'>/// Creates a new deserializer which will be deserializing the string</span>
<span class='doccomment'>/// provided.</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new</span>(<span class='ident'>input</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span>) <span class='op'>-></span> <span class='ident'>Deserializer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>Deserializer</span> {
<span class='ident'>tokens</span>: <span class='ident'>Tokenizer</span>::<span class='ident'>new</span>(<span class='ident'>input</span>),
<span class='ident'>input</span>: <span class='ident'>input</span>,
<span class='ident'>require_newline_after_table</span>: <span class='bool-val'>true</span>,
}
}
<span class='doccomment'>/// The `Deserializer::end` method should be called after a value has been</span>
<span class='doccomment'>/// fully deserialized. This allows the `Deserializer` to validate that the</span>
<span class='doccomment'>/// input stream is at the end or that it only has trailing</span>
<span class='doccomment'>/// whitespace/comments.</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>end</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(), <span class='ident'>Error</span><span class='op'>></span> {
<span class='prelude-val'>Ok</span>(())
}
<span class='doccomment'>/// Historical versions of toml-rs accidentally allowed a newline after a</span>
<span class='doccomment'>/// table definition, but the TOML spec requires a newline after a table</span>
<span class='doccomment'>/// definition header.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// This option can be set to `false` (the default is `true`) to emulate</span>
<span class='doccomment'>/// this behavior for backwards compatibility with older toml-rs versions.</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_require_newline_after_table</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>require</span>: <span class='ident'>bool</span>) {
<span class='self'>self</span>.<span class='ident'>require_newline_after_table</span> <span class='op'>=</span> <span class='ident'>require</span>;
}
<span class='kw'>fn</span> <span class='ident'>line</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>Line</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>>></span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='kw'>loop</span> {
<span class='self'>self</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>eat_comment</span>()<span class='question-mark'>?</span> {
<span class='kw'>continue</span>
}
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>Newline</span>)<span class='question-mark'>?</span> {
<span class='kw'>continue</span>
}
<span class='kw'>break</span>
}
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>peek</span>()<span class='question-mark'>?</span> {
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>LeftBracket</span>) <span class='op'>=></span> <span class='self'>self</span>.<span class='ident'>table_header</span>().<span class='ident'>map</span>(<span class='prelude-val'>Some</span>),
<span class='prelude-val'>Some</span>(_) <span class='op'>=></span> <span class='self'>self</span>.<span class='ident'>key_value</span>().<span class='ident'>map</span>(<span class='prelude-val'>Some</span>),
<span class='prelude-val'>None</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='prelude-val'>None</span>),
}
}
<span class='kw'>fn</span> <span class='ident'>table_header</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>Line</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='kw'>let</span> <span class='ident'>start</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>current</span>();
<span class='self'>self</span>.<span class='ident'>expect</span>(<span class='ident'>Token</span>::<span class='ident'>LeftBracket</span>)<span class='question-mark'>?</span>;
<span class='kw'>let</span> <span class='ident'>array</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>LeftBracket</span>)<span class='question-mark'>?</span>;
<span class='kw'>let</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='ident'>Header</span>::<span class='ident'>new</span>(<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>clone</span>(),
<span class='ident'>array</span>,
<span class='self'>self</span>.<span class='ident'>require_newline_after_table</span>);
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>require_newline_after_table</span> {
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>skip_to_newline</span>();
} <span class='kw'>else</span> {
<span class='kw'>loop</span> {
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>next</span>()<span class='question-mark'>?</span> {
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>RightBracket</span>) <span class='op'>|</span>
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>Newline</span>) <span class='op'>|</span>
<span class='prelude-val'>None</span> <span class='op'>=></span> <span class='kw'>break</span>,
_ <span class='op'>=></span> {}
}
}
<span class='self'>self</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
}
<span class='prelude-val'>Ok</span>(<span class='ident'>Line</span>::<span class='ident'>Table</span> { <span class='ident'>at</span>: <span class='ident'>start</span>, <span class='ident'>header</span>: <span class='ident'>ret</span>, <span class='ident'>array</span>: <span class='ident'>array</span> })
}
<span class='kw'>fn</span> <span class='ident'>key_value</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>Line</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='kw'>let</span> <span class='ident'>key</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>table_key</span>()<span class='question-mark'>?</span>;
<span class='self'>self</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
<span class='self'>self</span>.<span class='ident'>expect</span>(<span class='ident'>Token</span>::<span class='ident'>Equals</span>)<span class='question-mark'>?</span>;
<span class='self'>self</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
<span class='kw'>let</span> <span class='ident'>value</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>value</span>()<span class='question-mark'>?</span>;
<span class='self'>self</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
<span class='kw'>if</span> <span class='op'>!</span><span class='self'>self</span>.<span class='ident'>eat_comment</span>()<span class='question-mark'>?</span> {
<span class='self'>self</span>.<span class='ident'>eat_newline_or_eof</span>()<span class='question-mark'>?</span>;
}
<span class='prelude-val'>Ok</span>(<span class='ident'>Line</span>::<span class='ident'>KeyValue</span>(<span class='ident'>key</span>, <span class='ident'>value</span>))
}
<span class='kw'>fn</span> <span class='ident'>value</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='kw'>let</span> <span class='ident'>at</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>current</span>();
<span class='kw'>let</span> <span class='ident'>value</span> <span class='op'>=</span> <span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>next</span>()<span class='question-mark'>?</span> {
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>String</span> { <span class='ident'>val</span>, .. }) <span class='op'>=></span> <span class='ident'>Value</span>::<span class='ident'>String</span>(<span class='ident'>val</span>),
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>Keylike</span>(<span class='string'>"true"</span>)) <span class='op'>=></span> <span class='ident'>Value</span>::<span class='ident'>Boolean</span>(<span class='bool-val'>true</span>),
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>Keylike</span>(<span class='string'>"false"</span>)) <span class='op'>=></span> <span class='ident'>Value</span>::<span class='ident'>Boolean</span>(<span class='bool-val'>false</span>),
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>Keylike</span>(<span class='ident'>key</span>)) <span class='op'>=></span> <span class='self'>self</span>.<span class='ident'>number_or_date</span>(<span class='ident'>key</span>)<span class='question-mark'>?</span>,
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>Plus</span>) <span class='op'>=></span> <span class='self'>self</span>.<span class='ident'>number_leading_plus</span>()<span class='question-mark'>?</span>,
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>LeftBrace</span>) <span class='op'>=></span> <span class='self'>self</span>.<span class='ident'>inline_table</span>().<span class='ident'>map</span>(<span class='ident'>Value</span>::<span class='ident'>InlineTable</span>)<span class='question-mark'>?</span>,
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>LeftBracket</span>) <span class='op'>=></span> <span class='self'>self</span>.<span class='ident'>array</span>().<span class='ident'>map</span>(<span class='ident'>Value</span>::<span class='ident'>Array</span>)<span class='question-mark'>?</span>,
<span class='prelude-val'>Some</span>(<span class='ident'>token</span>) <span class='op'>=></span> {
<span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>Wanted</span> {
<span class='ident'>expected</span>: <span class='string'>"a value"</span>,
<span class='ident'>found</span>: <span class='ident'>token</span>.<span class='ident'>describe</span>(),
}))
}
<span class='prelude-val'>None</span> <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>eof</span>()),
};
<span class='prelude-val'>Ok</span>(<span class='ident'>value</span>)
}
<span class='kw'>fn</span> <span class='ident'>number_or_date</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>s</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='kw'>if</span> <span class='ident'>s</span>.<span class='ident'>contains</span>(<span class='string'>"T"</span>) <span class='op'>||</span> (<span class='ident'>s</span>.<span class='ident'>len</span>() <span class='op'>></span> <span class='number'>1</span> <span class='op'>&&</span> <span class='ident'>s</span>[<span class='number'>1</span>..].<span class='ident'>contains</span>(<span class='string'>"-"</span>)) <span class='op'>&&</span>
<span class='op'>!</span><span class='ident'>s</span>.<span class='ident'>contains</span>(<span class='string'>"e-"</span>) {
<span class='self'>self</span>.<span class='ident'>datetime</span>(<span class='ident'>s</span>, <span class='bool-val'>false</span>).<span class='ident'>map</span>(<span class='ident'>Value</span>::<span class='ident'>Datetime</span>)
} <span class='kw'>else</span> <span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>Colon</span>)<span class='question-mark'>?</span> {
<span class='self'>self</span>.<span class='ident'>datetime</span>(<span class='ident'>s</span>, <span class='bool-val'>true</span>).<span class='ident'>map</span>(<span class='ident'>Value</span>::<span class='ident'>Datetime</span>)
} <span class='kw'>else</span> {
<span class='self'>self</span>.<span class='ident'>number</span>(<span class='ident'>s</span>)
}
}
<span class='kw'>fn</span> <span class='ident'>number</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>s</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='kw'>if</span> <span class='ident'>s</span>.<span class='ident'>contains</span>(<span class='string'>"e"</span>) <span class='op'>||</span> <span class='ident'>s</span>.<span class='ident'>contains</span>(<span class='string'>"E"</span>) {
<span class='self'>self</span>.<span class='ident'>float</span>(<span class='ident'>s</span>, <span class='prelude-val'>None</span>).<span class='ident'>map</span>(<span class='ident'>Value</span>::<span class='ident'>Float</span>)
} <span class='kw'>else</span> <span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>Period</span>)<span class='question-mark'>?</span> {
<span class='kw'>let</span> <span class='ident'>at</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>current</span>();
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>next</span>()<span class='question-mark'>?</span> {
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>Keylike</span>(<span class='ident'>after</span>)) <span class='op'>=></span> {
<span class='self'>self</span>.<span class='ident'>float</span>(<span class='ident'>s</span>, <span class='prelude-val'>Some</span>(<span class='ident'>after</span>)).<span class='ident'>map</span>(<span class='ident'>Value</span>::<span class='ident'>Float</span>)
}
_ <span class='op'>=></span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>NumberInvalid</span>)),
}
} <span class='kw'>else</span> {
<span class='self'>self</span>.<span class='ident'>integer</span>(<span class='ident'>s</span>).<span class='ident'>map</span>(<span class='ident'>Value</span>::<span class='ident'>Integer</span>)
}
}
<span class='kw'>fn</span> <span class='ident'>number_leading_plus</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='kw'>let</span> <span class='ident'>start</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>current</span>();
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>next</span>()<span class='question-mark'>?</span> {
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>Keylike</span>(<span class='ident'>s</span>)) <span class='op'>=></span> <span class='self'>self</span>.<span class='ident'>number</span>(<span class='ident'>s</span>),
_ <span class='op'>=></span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>start</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>NumberInvalid</span>)),
}
}
<span class='kw'>fn</span> <span class='ident'>integer</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>s</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>i64</span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='kw'>let</span> (<span class='ident'>prefix</span>, <span class='ident'>suffix</span>) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>parse_integer</span>(<span class='ident'>s</span>, <span class='bool-val'>true</span>, <span class='bool-val'>false</span>)<span class='question-mark'>?</span>;
<span class='kw'>let</span> <span class='ident'>start</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>substr_offset</span>(<span class='ident'>s</span>);
<span class='kw'>if</span> <span class='ident'>suffix</span> <span class='op'>!=</span> <span class='string'>""</span> {
<span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>start</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>NumberInvalid</span>))
}
<span class='ident'>prefix</span>.<span class='ident'>replace</span>(<span class='string'>"_"</span>, <span class='string'>""</span>).<span class='ident'>trim_left_matches</span>(<span class='string'>"+"</span>).<span class='ident'>parse</span>().<span class='ident'>map_err</span>(<span class='op'>|</span><span class='ident'>_e</span><span class='op'>|</span> {
<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>start</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>NumberInvalid</span>)
})
}
<span class='kw'>fn</span> <span class='ident'>parse_integer</span>(<span class='kw-2'>&</span><span class='self'>self</span>,
<span class='ident'>s</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span>,
<span class='ident'>allow_sign</span>: <span class='ident'>bool</span>,
<span class='ident'>allow_leading_zeros</span>: <span class='ident'>bool</span>)
<span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(<span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span>, <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span>), <span class='ident'>Error</span><span class='op'>></span> {
<span class='kw'>let</span> <span class='ident'>start</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>substr_offset</span>(<span class='ident'>s</span>);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>first</span> <span class='op'>=</span> <span class='bool-val'>true</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>first_zero</span> <span class='op'>=</span> <span class='bool-val'>false</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>underscore</span> <span class='op'>=</span> <span class='bool-val'>false</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>end</span> <span class='op'>=</span> <span class='ident'>s</span>.<span class='ident'>len</span>();
<span class='kw'>for</span> (<span class='ident'>i</span>, <span class='ident'>c</span>) <span class='kw'>in</span> <span class='ident'>s</span>.<span class='ident'>char_indices</span>() {
<span class='kw'>let</span> <span class='ident'>at</span> <span class='op'>=</span> <span class='ident'>i</span> <span class='op'>+</span> <span class='ident'>start</span>;
<span class='kw'>if</span> <span class='ident'>i</span> <span class='op'>==</span> <span class='number'>0</span> <span class='op'>&&</span> (<span class='ident'>c</span> <span class='op'>==</span> <span class='string'>'+'</span> <span class='op'>||</span> <span class='ident'>c</span> <span class='op'>==</span> <span class='string'>'-'</span>) <span class='op'>&&</span> <span class='ident'>allow_sign</span> {
<span class='kw'>continue</span>
}
<span class='kw'>match</span> <span class='ident'>c</span> {
<span class='string'>'0'</span> <span class='kw'>if</span> <span class='ident'>first</span> <span class='op'>=></span> <span class='ident'>first_zero</span> <span class='op'>=</span> <span class='bool-val'>true</span>,
<span class='string'>'0'</span> ... <span class='string'>'9'</span> <span class='kw'>if</span> <span class='op'>!</span><span class='ident'>first</span> <span class='op'>&&</span> <span class='ident'>first_zero</span> <span class='op'>&&</span> <span class='op'>!</span><span class='ident'>allow_leading_zeros</span> <span class='op'>=></span> {
<span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>NumberInvalid</span>))
}
<span class='string'>'0'</span> ... <span class='string'>'9'</span> <span class='op'>=></span> <span class='ident'>underscore</span> <span class='op'>=</span> <span class='bool-val'>false</span>,
<span class='string'>'_'</span> <span class='kw'>if</span> <span class='ident'>first</span> <span class='op'>=></span> {
<span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>NumberInvalid</span>))
}
<span class='string'>'_'</span> <span class='kw'>if</span> <span class='op'>!</span><span class='ident'>underscore</span> <span class='op'>=></span> <span class='ident'>underscore</span> <span class='op'>=</span> <span class='bool-val'>true</span>,
_ <span class='op'>=></span> {
<span class='ident'>end</span> <span class='op'>=</span> <span class='ident'>i</span>;
<span class='kw'>break</span>
}
}
<span class='ident'>first</span> <span class='op'>=</span> <span class='bool-val'>false</span>;
}
<span class='kw'>if</span> <span class='ident'>first</span> <span class='op'>||</span> <span class='ident'>underscore</span> {
<span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>start</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>NumberInvalid</span>))
}
<span class='prelude-val'>Ok</span>((<span class='kw-2'>&</span><span class='ident'>s</span>[..<span class='ident'>end</span>], <span class='kw-2'>&</span><span class='ident'>s</span>[<span class='ident'>end</span>..]))
}
<span class='kw'>fn</span> <span class='ident'>float</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>s</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span>, <span class='ident'>after_decimal</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span><span class='op'>></span>)
<span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>f64</span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='kw'>let</span> (<span class='ident'>integral</span>, <span class='kw-2'>mut</span> <span class='ident'>suffix</span>) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>parse_integer</span>(<span class='ident'>s</span>, <span class='bool-val'>true</span>, <span class='bool-val'>false</span>)<span class='question-mark'>?</span>;
<span class='kw'>let</span> <span class='ident'>start</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>substr_offset</span>(<span class='ident'>integral</span>);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>fraction</span> <span class='op'>=</span> <span class='prelude-val'>None</span>;
<span class='kw'>if</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>(<span class='ident'>after</span>) <span class='op'>=</span> <span class='ident'>after_decimal</span> {
<span class='kw'>if</span> <span class='ident'>suffix</span> <span class='op'>!=</span> <span class='string'>""</span> {
<span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>start</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>NumberInvalid</span>))
}
<span class='kw'>let</span> (<span class='ident'>a</span>, <span class='ident'>b</span>) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>parse_integer</span>(<span class='kw-2'>&</span><span class='ident'>after</span>, <span class='bool-val'>false</span>, <span class='bool-val'>true</span>)<span class='question-mark'>?</span>;
<span class='ident'>fraction</span> <span class='op'>=</span> <span class='prelude-val'>Some</span>(<span class='ident'>a</span>);
<span class='ident'>suffix</span> <span class='op'>=</span> <span class='ident'>b</span>;
}
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>exponent</span> <span class='op'>=</span> <span class='prelude-val'>None</span>;
<span class='kw'>if</span> <span class='ident'>suffix</span>.<span class='ident'>starts_with</span>(<span class='string'>"e"</span>) <span class='op'>||</span> <span class='ident'>suffix</span>.<span class='ident'>starts_with</span>(<span class='string'>"E"</span>) {
<span class='kw'>let</span> (<span class='ident'>a</span>, <span class='ident'>b</span>) <span class='op'>=</span> <span class='kw'>if</span> <span class='ident'>suffix</span>.<span class='ident'>len</span>() <span class='op'>==</span> <span class='number'>1</span> {
<span class='self'>self</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>Plus</span>)<span class='question-mark'>?</span>;
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>next</span>()<span class='question-mark'>?</span> {
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>Keylike</span>(<span class='ident'>s</span>)) <span class='op'>=></span> {
<span class='self'>self</span>.<span class='ident'>parse_integer</span>(<span class='ident'>s</span>, <span class='bool-val'>false</span>, <span class='bool-val'>false</span>)<span class='question-mark'>?</span>
}
_ <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>start</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>NumberInvalid</span>)),
}
} <span class='kw'>else</span> {
<span class='self'>self</span>.<span class='ident'>parse_integer</span>(<span class='kw-2'>&</span><span class='ident'>suffix</span>[<span class='number'>1</span>..], <span class='bool-val'>true</span>, <span class='bool-val'>false</span>)<span class='question-mark'>?</span>
};
<span class='kw'>if</span> <span class='ident'>b</span> <span class='op'>!=</span> <span class='string'>""</span> {
<span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>start</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>NumberInvalid</span>))
}
<span class='ident'>exponent</span> <span class='op'>=</span> <span class='prelude-val'>Some</span>(<span class='ident'>a</span>);
}
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>number</span> <span class='op'>=</span> <span class='ident'>integral</span>.<span class='ident'>trim_left_matches</span>(<span class='string'>"+"</span>)
.<span class='ident'>chars</span>()
.<span class='ident'>filter</span>(<span class='op'>|</span><span class='ident'>c</span><span class='op'>|</span> <span class='kw-2'>*</span><span class='ident'>c</span> <span class='op'>!=</span> <span class='string'>'_'</span>)
.<span class='ident'>collect</span>::<span class='op'><</span><span class='ident'>String</span><span class='op'>></span>();
<span class='kw'>if</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>(<span class='ident'>fraction</span>) <span class='op'>=</span> <span class='ident'>fraction</span> {
<span class='ident'>number</span>.<span class='ident'>push_str</span>(<span class='string'>"."</span>);
<span class='ident'>number</span>.<span class='ident'>extend</span>(<span class='ident'>fraction</span>.<span class='ident'>chars</span>().<span class='ident'>filter</span>(<span class='op'>|</span><span class='ident'>c</span><span class='op'>|</span> <span class='kw-2'>*</span><span class='ident'>c</span> <span class='op'>!=</span> <span class='string'>'_'</span>));
}
<span class='kw'>if</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>(<span class='ident'>exponent</span>) <span class='op'>=</span> <span class='ident'>exponent</span> {
<span class='ident'>number</span>.<span class='ident'>push_str</span>(<span class='string'>"E"</span>);
<span class='ident'>number</span>.<span class='ident'>extend</span>(<span class='ident'>exponent</span>.<span class='ident'>chars</span>().<span class='ident'>filter</span>(<span class='op'>|</span><span class='ident'>c</span><span class='op'>|</span> <span class='kw-2'>*</span><span class='ident'>c</span> <span class='op'>!=</span> <span class='string'>'_'</span>));
}
<span class='ident'>number</span>.<span class='ident'>parse</span>().<span class='ident'>map_err</span>(<span class='op'>|</span><span class='ident'>_e</span><span class='op'>|</span> {
<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>start</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>NumberInvalid</span>)
})
}
<span class='kw'>fn</span> <span class='ident'>datetime</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>date</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span>, <span class='ident'>colon_eaten</span>: <span class='ident'>bool</span>)
<span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='kw'>let</span> <span class='ident'>start</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>substr_offset</span>(<span class='ident'>date</span>);
<span class='kw'>if</span> <span class='ident'>colon_eaten</span> <span class='op'>||</span> <span class='self'>self</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>Colon</span>)<span class='question-mark'>?</span> {
<span class='comment'>// minutes</span>
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>next</span>()<span class='question-mark'>?</span> {
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>Keylike</span>(_)) <span class='op'>=></span> {}
_ <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>start</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>DateInvalid</span>)),
}
<span class='comment'>// Seconds</span>
<span class='self'>self</span>.<span class='ident'>expect</span>(<span class='ident'>Token</span>::<span class='ident'>Colon</span>)<span class='question-mark'>?</span>;
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>next</span>()<span class='question-mark'>?</span> {
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>Keylike</span>(_)) <span class='op'>=></span> {}
_ <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>start</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>DateInvalid</span>)),
}
<span class='comment'>// Fractional seconds</span>
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>Period</span>)<span class='question-mark'>?</span> {
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>next</span>()<span class='question-mark'>?</span> {
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>Keylike</span>(_)) <span class='op'>=></span> {}
_ <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>start</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>DateInvalid</span>)),
}
}
<span class='comment'>// offset</span>
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>Plus</span>)<span class='question-mark'>?</span> {
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>next</span>()<span class='question-mark'>?</span> {
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>Keylike</span>(_)) <span class='op'>=></span> {}
_ <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>start</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>DateInvalid</span>)),
}
}
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>Colon</span>)<span class='question-mark'>?</span> {
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>next</span>()<span class='question-mark'>?</span> {
<span class='prelude-val'>Some</span>(<span class='ident'>Token</span>::<span class='ident'>Keylike</span>(_)) <span class='op'>=></span> {}
_ <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>start</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>DateInvalid</span>)),
}
}
}
<span class='kw'>let</span> <span class='ident'>end</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>current</span>();
<span class='prelude-val'>Ok</span>(<span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>input</span>()[<span class='ident'>start</span>..<span class='ident'>end</span>])
}
<span class='comment'>// TODO(#140): shouldn't buffer up this entire table in memory, it'd be</span>
<span class='comment'>// great to defer parsing everything until later.</span>
<span class='kw'>fn</span> <span class='ident'>inline_table</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>Vec</span><span class='op'><</span>(<span class='ident'>Cow</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>str</span><span class='op'>></span>, <span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>)<span class='op'>></span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='ident'>Vec</span>::<span class='ident'>new</span>();
<span class='self'>self</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>RightBrace</span>)<span class='question-mark'>?</span> {
<span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='ident'>ret</span>)
}
<span class='kw'>loop</span> {
<span class='kw'>let</span> <span class='ident'>key</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>table_key</span>()<span class='question-mark'>?</span>;
<span class='self'>self</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
<span class='self'>self</span>.<span class='ident'>expect</span>(<span class='ident'>Token</span>::<span class='ident'>Equals</span>)<span class='question-mark'>?</span>;
<span class='self'>self</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
<span class='ident'>ret</span>.<span class='ident'>push</span>((<span class='ident'>key</span>, <span class='self'>self</span>.<span class='ident'>value</span>()<span class='question-mark'>?</span>));
<span class='self'>self</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>RightBrace</span>)<span class='question-mark'>?</span> {
<span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='ident'>ret</span>)
}
<span class='self'>self</span>.<span class='ident'>expect</span>(<span class='ident'>Token</span>::<span class='ident'>Comma</span>)<span class='question-mark'>?</span>;
<span class='self'>self</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
}
}
<span class='comment'>// TODO(#140): shouldn't buffer up this entire array in memory, it'd be</span>
<span class='comment'>// great to defer parsing everything until later.</span>
<span class='kw'>fn</span> <span class='ident'>array</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>Vec</span><span class='op'><</span><span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>>></span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='ident'>Vec</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='ident'>intermediate</span> <span class='op'>=</span> <span class='op'>|</span><span class='ident'>me</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Deserializer</span><span class='op'>|</span> {
<span class='kw'>loop</span> {
<span class='ident'>me</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
<span class='kw'>if</span> <span class='op'>!</span><span class='ident'>me</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>Newline</span>)<span class='question-mark'>?</span> <span class='op'>&&</span> <span class='op'>!</span><span class='ident'>me</span>.<span class='ident'>eat_comment</span>()<span class='question-mark'>?</span> {
<span class='kw'>break</span>
}
}
<span class='prelude-val'>Ok</span>(())
};
<span class='kw'>loop</span> {
<span class='ident'>intermediate</span>(<span class='self'>self</span>)<span class='question-mark'>?</span>;
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>RightBracket</span>)<span class='question-mark'>?</span> {
<span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='ident'>ret</span>)
}
<span class='kw'>let</span> <span class='ident'>at</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>current</span>();
<span class='kw'>let</span> <span class='ident'>value</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>value</span>()<span class='question-mark'>?</span>;
<span class='kw'>if</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>(<span class='ident'>last</span>) <span class='op'>=</span> <span class='ident'>ret</span>.<span class='ident'>last</span>() {
<span class='kw'>if</span> <span class='op'>!</span><span class='ident'>value</span>.<span class='ident'>same_type</span>(<span class='ident'>last</span>) {
<span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>MixedArrayType</span>))
}
}
<span class='ident'>ret</span>.<span class='ident'>push</span>(<span class='ident'>value</span>);
<span class='ident'>intermediate</span>(<span class='self'>self</span>)<span class='question-mark'>?</span>;
<span class='kw'>if</span> <span class='op'>!</span><span class='self'>self</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>Comma</span>)<span class='question-mark'>?</span> {
<span class='kw'>break</span>
}
}
<span class='ident'>intermediate</span>(<span class='self'>self</span>)<span class='question-mark'>?</span>;
<span class='self'>self</span>.<span class='ident'>expect</span>(<span class='ident'>Token</span>::<span class='ident'>RightBracket</span>)<span class='question-mark'>?</span>;
<span class='prelude-val'>Ok</span>(<span class='ident'>ret</span>)
}
<span class='kw'>fn</span> <span class='ident'>table_key</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>Cow</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>str</span><span class='op'>></span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>table_key</span>().<span class='ident'>map_err</span>(<span class='op'>|</span><span class='ident'>e</span><span class='op'>|</span> <span class='self'>self</span>.<span class='ident'>token_error</span>(<span class='ident'>e</span>))
}
<span class='kw'>fn</span> <span class='ident'>eat_whitespace</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(), <span class='ident'>Error</span><span class='op'>></span> {
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>eat_whitespace</span>().<span class='ident'>map_err</span>(<span class='op'>|</span><span class='ident'>e</span><span class='op'>|</span> <span class='self'>self</span>.<span class='ident'>token_error</span>(<span class='ident'>e</span>))
}
<span class='kw'>fn</span> <span class='ident'>eat_comment</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>bool</span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>eat_comment</span>().<span class='ident'>map_err</span>(<span class='op'>|</span><span class='ident'>e</span><span class='op'>|</span> <span class='self'>self</span>.<span class='ident'>token_error</span>(<span class='ident'>e</span>))
}
<span class='kw'>fn</span> <span class='ident'>eat_newline_or_eof</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(), <span class='ident'>Error</span><span class='op'>></span> {
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>eat_newline_or_eof</span>().<span class='ident'>map_err</span>(<span class='op'>|</span><span class='ident'>e</span><span class='op'>|</span> <span class='self'>self</span>.<span class='ident'>token_error</span>(<span class='ident'>e</span>))
}
<span class='kw'>fn</span> <span class='ident'>eat</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>expected</span>: <span class='ident'>Token</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>bool</span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>eat</span>(<span class='ident'>expected</span>).<span class='ident'>map_err</span>(<span class='op'>|</span><span class='ident'>e</span><span class='op'>|</span> <span class='self'>self</span>.<span class='ident'>token_error</span>(<span class='ident'>e</span>))
}
<span class='kw'>fn</span> <span class='ident'>expect</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>expected</span>: <span class='ident'>Token</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(), <span class='ident'>Error</span><span class='op'>></span> {
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>expect</span>(<span class='ident'>expected</span>).<span class='ident'>map_err</span>(<span class='op'>|</span><span class='ident'>e</span><span class='op'>|</span> <span class='self'>self</span>.<span class='ident'>token_error</span>(<span class='ident'>e</span>))
}
<span class='kw'>fn</span> <span class='ident'>next</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>Token</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>>></span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>next</span>().<span class='ident'>map_err</span>(<span class='op'>|</span><span class='ident'>e</span><span class='op'>|</span> <span class='self'>self</span>.<span class='ident'>token_error</span>(<span class='ident'>e</span>))
}
<span class='kw'>fn</span> <span class='ident'>peek</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>Token</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>>></span>, <span class='ident'>Error</span><span class='op'>></span> {
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>peek</span>().<span class='ident'>map_err</span>(<span class='op'>|</span><span class='ident'>e</span><span class='op'>|</span> <span class='self'>self</span>.<span class='ident'>token_error</span>(<span class='ident'>e</span>))
}
<span class='kw'>fn</span> <span class='ident'>eof</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>Error</span> {
<span class='self'>self</span>.<span class='ident'>error</span>(<span class='self'>self</span>.<span class='ident'>input</span>.<span class='ident'>len</span>(), <span class='ident'>ErrorKind</span>::<span class='ident'>UnexpectedEof</span>)
}
<span class='kw'>fn</span> <span class='ident'>token_error</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>error</span>: <span class='ident'>TokenError</span>) <span class='op'>-></span> <span class='ident'>Error</span> {
<span class='kw'>match</span> <span class='ident'>error</span> {
<span class='ident'>TokenError</span>::<span class='ident'>InvalidCharInString</span>(<span class='ident'>at</span>, <span class='ident'>ch</span>) <span class='op'>=></span> {
<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>InvalidCharInString</span>(<span class='ident'>ch</span>))
}
<span class='ident'>TokenError</span>::<span class='ident'>InvalidEscape</span>(<span class='ident'>at</span>, <span class='ident'>ch</span>) <span class='op'>=></span> {
<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>InvalidEscape</span>(<span class='ident'>ch</span>))
}
<span class='ident'>TokenError</span>::<span class='ident'>InvalidEscapeValue</span>(<span class='ident'>at</span>, <span class='ident'>v</span>) <span class='op'>=></span> {
<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>InvalidEscapeValue</span>(<span class='ident'>v</span>))
}
<span class='ident'>TokenError</span>::<span class='ident'>InvalidHexEscape</span>(<span class='ident'>at</span>, <span class='ident'>ch</span>) <span class='op'>=></span> {
<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>InvalidHexEscape</span>(<span class='ident'>ch</span>))
}
<span class='ident'>TokenError</span>::<span class='ident'>NewlineInString</span>(<span class='ident'>at</span>) <span class='op'>=></span> {
<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>NewlineInString</span>)
}
<span class='ident'>TokenError</span>::<span class='ident'>Unexpected</span>(<span class='ident'>at</span>, <span class='ident'>ch</span>) <span class='op'>=></span> {
<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>Unexpected</span>(<span class='ident'>ch</span>))
}
<span class='ident'>TokenError</span>::<span class='ident'>UnterminatedString</span>(<span class='ident'>at</span>) <span class='op'>=></span> {
<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>UnterminatedString</span>)
}
<span class='ident'>TokenError</span>::<span class='ident'>NewlineInTableKey</span>(<span class='ident'>at</span>) <span class='op'>=></span> {
<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>NewlineInTableKey</span>)
}
<span class='ident'>TokenError</span>::<span class='ident'>Wanted</span> { <span class='ident'>at</span>, <span class='ident'>expected</span>, <span class='ident'>found</span> } <span class='op'>=></span> {
<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>Wanted</span> { <span class='ident'>expected</span>: <span class='ident'>expected</span>, <span class='ident'>found</span>: <span class='ident'>found</span> })
}
<span class='ident'>TokenError</span>::<span class='ident'>EmptyTableKey</span>(<span class='ident'>at</span>) <span class='op'>=></span> {
<span class='self'>self</span>.<span class='ident'>error</span>(<span class='ident'>at</span>, <span class='ident'>ErrorKind</span>::<span class='ident'>EmptyTableKey</span>)
}
}
}
<span class='kw'>fn</span> <span class='ident'>error</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>at</span>: <span class='ident'>usize</span>, <span class='ident'>kind</span>: <span class='ident'>ErrorKind</span>) <span class='op'>-></span> <span class='ident'>Error</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>err</span> <span class='op'>=</span> <span class='ident'>Error</span>::<span class='ident'>from_kind</span>(<span class='ident'>kind</span>);
<span class='kw'>let</span> (<span class='ident'>line</span>, <span class='ident'>col</span>) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>to_linecol</span>(<span class='ident'>at</span>);
<span class='ident'>err</span>.<span class='ident'>inner</span>.<span class='ident'>line</span> <span class='op'>=</span> <span class='prelude-val'>Some</span>(<span class='ident'>line</span>);
<span class='ident'>err</span>.<span class='ident'>inner</span>.<span class='ident'>col</span> <span class='op'>=</span> <span class='ident'>col</span>;
<span class='kw'>return</span> <span class='ident'>err</span>
}
<span class='doccomment'>/// Converts a byte offset from an error message to a (line, column) pair</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// All indexes are 0-based.</span>
<span class='kw'>fn</span> <span class='ident'>to_linecol</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>offset</span>: <span class='ident'>usize</span>) <span class='op'>-></span> (<span class='ident'>usize</span>, <span class='ident'>usize</span>) {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>cur</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='kw'>for</span> (<span class='ident'>i</span>, <span class='ident'>line</span>) <span class='kw'>in</span> <span class='self'>self</span>.<span class='ident'>input</span>.<span class='ident'>lines</span>().<span class='ident'>enumerate</span>() {
<span class='kw'>if</span> <span class='ident'>cur</span> <span class='op'>+</span> <span class='ident'>line</span>.<span class='ident'>len</span>() <span class='op'>+</span> <span class='number'>1</span> <span class='op'>></span> <span class='ident'>offset</span> {
<span class='kw'>return</span> (<span class='ident'>i</span>, <span class='ident'>offset</span> <span class='op'>-</span> <span class='ident'>cur</span>)
}
<span class='ident'>cur</span> <span class='op'>+=</span> <span class='ident'>line</span>.<span class='ident'>len</span>() <span class='op'>+</span> <span class='number'>1</span>;
}
(<span class='self'>self</span>.<span class='ident'>input</span>.<span class='ident'>lines</span>().<span class='ident'>count</span>(), <span class='number'>0</span>)
}
}
<span class='kw'>impl</span> <span class='ident'>Error</span> {
<span class='kw'>fn</span> <span class='ident'>from_kind</span>(<span class='ident'>kind</span>: <span class='ident'>ErrorKind</span>) <span class='op'>-></span> <span class='ident'>Error</span> {
<span class='ident'>Error</span> {
<span class='ident'>inner</span>: <span class='ident'>Box</span>::<span class='ident'>new</span>(<span class='ident'>ErrorInner</span> {
<span class='ident'>kind</span>: <span class='ident'>kind</span>,
<span class='ident'>line</span>: <span class='prelude-val'>None</span>,
<span class='ident'>col</span>: <span class='number'>0</span>,
<span class='ident'>message</span>: <span class='ident'>String</span>::<span class='ident'>new</span>(),
<span class='ident'>key</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(),
}),
}
}
<span class='kw'>fn</span> <span class='ident'>custom</span>(<span class='ident'>s</span>: <span class='ident'>String</span>) <span class='op'>-></span> <span class='ident'>Error</span> {
<span class='ident'>Error</span> {
<span class='ident'>inner</span>: <span class='ident'>Box</span>::<span class='ident'>new</span>(<span class='ident'>ErrorInner</span> {
<span class='ident'>kind</span>: <span class='ident'>ErrorKind</span>::<span class='ident'>Custom</span>,
<span class='ident'>line</span>: <span class='prelude-val'>None</span>,
<span class='ident'>col</span>: <span class='number'>0</span>,
<span class='ident'>message</span>: <span class='ident'>s</span>,
<span class='ident'>key</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(),
}),
}
}
<span class='doccomment'>/// Do not call this method, it may be removed at any time, it's just an</span>
<span class='doccomment'>/// internal implementation detail.</span>
<span class='attribute'>#[<span class='ident'>doc</span>(<span class='ident'>hidden</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>add_key_context</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>key</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) {
<span class='self'>self</span>.<span class='ident'>inner</span>.<span class='ident'>key</span>.<span class='ident'>insert</span>(<span class='number'>0</span>, <span class='ident'>key</span>.<span class='ident'>to_string</span>());
}
}
<span class='kw'>impl</span> <span class='ident'>fmt</span>::<span class='ident'>Display</span> <span class='kw'>for</span> <span class='ident'>Error</span> {
<span class='kw'>fn</span> <span class='ident'>fmt</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>f</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>fmt</span>::<span class='ident'>Formatter</span>) <span class='op'>-></span> <span class='ident'>fmt</span>::<span class='prelude-ty'>Result</span> {
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>inner</span>.<span class='ident'>kind</span> {
<span class='ident'>ErrorKind</span>::<span class='ident'>UnexpectedEof</span> <span class='op'>=></span> <span class='string'>"unexpected eof encountered"</span>.<span class='ident'>fmt</span>(<span class='ident'>f</span>)<span class='question-mark'>?</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>InvalidCharInString</span>(<span class='ident'>c</span>) <span class='op'>=></span> {
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>"invalid character in string: `{}`"</span>,
<span class='ident'>c</span>.<span class='ident'>escape_default</span>().<span class='ident'>collect</span>::<span class='op'><</span><span class='ident'>String</span><span class='op'>></span>())<span class='question-mark'>?</span>
}
<span class='ident'>ErrorKind</span>::<span class='ident'>InvalidEscape</span>(<span class='ident'>c</span>) <span class='op'>=></span> {
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>"invalid escape character in string: `{}`"</span>,
<span class='ident'>c</span>.<span class='ident'>escape_default</span>().<span class='ident'>collect</span>::<span class='op'><</span><span class='ident'>String</span><span class='op'>></span>())<span class='question-mark'>?</span>
}
<span class='ident'>ErrorKind</span>::<span class='ident'>InvalidHexEscape</span>(<span class='ident'>c</span>) <span class='op'>=></span> {
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>"invalid hex escape character in string: `{}`"</span>,
<span class='ident'>c</span>.<span class='ident'>escape_default</span>().<span class='ident'>collect</span>::<span class='op'><</span><span class='ident'>String</span><span class='op'>></span>())<span class='question-mark'>?</span>
}
<span class='ident'>ErrorKind</span>::<span class='ident'>InvalidEscapeValue</span>(<span class='ident'>c</span>) <span class='op'>=></span> {
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>"invalid escape value: `{}`"</span>, <span class='ident'>c</span>)<span class='question-mark'>?</span>
}
<span class='ident'>ErrorKind</span>::<span class='ident'>NewlineInString</span> <span class='op'>=></span> <span class='string'>"newline in string found"</span>.<span class='ident'>fmt</span>(<span class='ident'>f</span>)<span class='question-mark'>?</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>Unexpected</span>(<span class='ident'>ch</span>) <span class='op'>=></span> {
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>"unexpected character found: `{}`"</span>,
<span class='ident'>ch</span>.<span class='ident'>escape_default</span>().<span class='ident'>collect</span>::<span class='op'><</span><span class='ident'>String</span><span class='op'>></span>())<span class='question-mark'>?</span>
}
<span class='ident'>ErrorKind</span>::<span class='ident'>UnterminatedString</span> <span class='op'>=></span> <span class='string'>"unterminated string"</span>.<span class='ident'>fmt</span>(<span class='ident'>f</span>)<span class='question-mark'>?</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>NewlineInTableKey</span> <span class='op'>=></span> <span class='string'>"found newline in table key"</span>.<span class='ident'>fmt</span>(<span class='ident'>f</span>)<span class='question-mark'>?</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>Wanted</span> { <span class='ident'>expected</span>, <span class='ident'>found</span> } <span class='op'>=></span> {
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>"expected {}, found {}"</span>, <span class='ident'>expected</span>, <span class='ident'>found</span>)<span class='question-mark'>?</span>
}
<span class='ident'>ErrorKind</span>::<span class='ident'>NumberInvalid</span> <span class='op'>=></span> <span class='string'>"invalid number"</span>.<span class='ident'>fmt</span>(<span class='ident'>f</span>)<span class='question-mark'>?</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>DateInvalid</span> <span class='op'>=></span> <span class='string'>"invalid date"</span>.<span class='ident'>fmt</span>(<span class='ident'>f</span>)<span class='question-mark'>?</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>MixedArrayType</span> <span class='op'>=></span> <span class='string'>"mixed types in an array"</span>.<span class='ident'>fmt</span>(<span class='ident'>f</span>)<span class='question-mark'>?</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>DuplicateTable</span>(<span class='kw-2'>ref</span> <span class='ident'>s</span>) <span class='op'>=></span> {
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>"redefinition of table `{}`"</span>, <span class='ident'>s</span>)<span class='question-mark'>?</span>;
}
<span class='ident'>ErrorKind</span>::<span class='ident'>RedefineAsArray</span> <span class='op'>=></span> <span class='string'>"table redefined as array"</span>.<span class='ident'>fmt</span>(<span class='ident'>f</span>)<span class='question-mark'>?</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>EmptyTableKey</span> <span class='op'>=></span> <span class='string'>"empty table key found"</span>.<span class='ident'>fmt</span>(<span class='ident'>f</span>)<span class='question-mark'>?</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>Custom</span> <span class='op'>=></span> <span class='self'>self</span>.<span class='ident'>inner</span>.<span class='ident'>message</span>.<span class='ident'>fmt</span>(<span class='ident'>f</span>)<span class='question-mark'>?</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>__Nonexhaustive</span> <span class='op'>=></span> <span class='macro'>panic</span><span class='macro'>!</span>(),
}
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>inner</span>.<span class='ident'>key</span>.<span class='ident'>len</span>() <span class='op'>></span> <span class='number'>0</span> {
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>" for key `"</span>)<span class='question-mark'>?</span>;
<span class='kw'>for</span> (<span class='ident'>i</span>, <span class='ident'>k</span>) <span class='kw'>in</span> <span class='self'>self</span>.<span class='ident'>inner</span>.<span class='ident'>key</span>.<span class='ident'>iter</span>().<span class='ident'>enumerate</span>() {
<span class='kw'>if</span> <span class='ident'>i</span> <span class='op'>></span> <span class='number'>0</span> {
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>"."</span>)<span class='question-mark'>?</span>;
}
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>"{}"</span>, <span class='ident'>k</span>)<span class='question-mark'>?</span>;
}
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>"`"</span>)<span class='question-mark'>?</span>;
}
<span class='kw'>if</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>(<span class='ident'>line</span>) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>inner</span>.<span class='ident'>line</span> {
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>" at line {}"</span>, <span class='ident'>line</span> <span class='op'>+</span> <span class='number'>1</span>)<span class='question-mark'>?</span>;
}
<span class='prelude-val'>Ok</span>(())
}
}
<span class='kw'>impl</span> <span class='ident'>error</span>::<span class='ident'>Error</span> <span class='kw'>for</span> <span class='ident'>Error</span> {
<span class='kw'>fn</span> <span class='ident'>description</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='ident'>str</span> {
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>inner</span>.<span class='ident'>kind</span> {
<span class='ident'>ErrorKind</span>::<span class='ident'>UnexpectedEof</span> <span class='op'>=></span> <span class='string'>"unexpected eof encountered"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>InvalidCharInString</span>(_) <span class='op'>=></span> <span class='string'>"invalid char in string"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>InvalidEscape</span>(_) <span class='op'>=></span> <span class='string'>"invalid escape in string"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>InvalidHexEscape</span>(_) <span class='op'>=></span> <span class='string'>"invalid hex escape in string"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>InvalidEscapeValue</span>(_) <span class='op'>=></span> <span class='string'>"invalid escape value in string"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>NewlineInString</span> <span class='op'>=></span> <span class='string'>"newline in string found"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>Unexpected</span>(_) <span class='op'>=></span> <span class='string'>"unexpected or invalid character"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>UnterminatedString</span> <span class='op'>=></span> <span class='string'>"unterminated string"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>NewlineInTableKey</span> <span class='op'>=></span> <span class='string'>"found newline in table key"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>Wanted</span> { .. } <span class='op'>=></span> <span class='string'>"expected a token but found another"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>NumberInvalid</span> <span class='op'>=></span> <span class='string'>"invalid number"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>DateInvalid</span> <span class='op'>=></span> <span class='string'>"invalid date"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>MixedArrayType</span> <span class='op'>=></span> <span class='string'>"mixed types in an array"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>DuplicateTable</span>(_) <span class='op'>=></span> <span class='string'>"duplicate table"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>RedefineAsArray</span> <span class='op'>=></span> <span class='string'>"table redefined as array"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>EmptyTableKey</span> <span class='op'>=></span> <span class='string'>"empty table key found"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>Custom</span> <span class='op'>=></span> <span class='string'>"a custom error"</span>,
<span class='ident'>ErrorKind</span>::<span class='ident'>__Nonexhaustive</span> <span class='op'>=></span> <span class='macro'>panic</span><span class='macro'>!</span>(),
}
}
}
<span class='kw'>impl</span> <span class='ident'>de</span>::<span class='ident'>Error</span> <span class='kw'>for</span> <span class='ident'>Error</span> {
<span class='kw'>fn</span> <span class='ident'>custom</span><span class='op'><</span><span class='ident'>T</span>: <span class='ident'>fmt</span>::<span class='ident'>Display</span><span class='op'>></span>(<span class='ident'>msg</span>: <span class='ident'>T</span>) <span class='op'>-></span> <span class='ident'>Error</span> {
<span class='ident'>Error</span>::<span class='ident'>custom</span>(<span class='ident'>msg</span>.<span class='ident'>to_string</span>())
}
}
<span class='kw'>enum</span> <span class='ident'>Line</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>Table</span> { <span class='ident'>at</span>: <span class='ident'>usize</span>, <span class='ident'>header</span>: <span class='ident'>Header</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>, <span class='ident'>array</span>: <span class='ident'>bool</span> },
<span class='ident'>KeyValue</span>(<span class='ident'>Cow</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>str</span><span class='op'>></span>, <span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>),
}
<span class='kw'>struct</span> <span class='ident'>Header</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>first</span>: <span class='ident'>bool</span>,
<span class='ident'>array</span>: <span class='ident'>bool</span>,
<span class='ident'>require_newline_after_table</span>: <span class='ident'>bool</span>,
<span class='ident'>tokens</span>: <span class='ident'>Tokenizer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>,
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>Header</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='kw'>fn</span> <span class='ident'>new</span>(<span class='ident'>tokens</span>: <span class='ident'>Tokenizer</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>,
<span class='ident'>array</span>: <span class='ident'>bool</span>,
<span class='ident'>require_newline_after_table</span>: <span class='ident'>bool</span>) <span class='op'>-></span> <span class='ident'>Header</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>Header</span> {
<span class='ident'>first</span>: <span class='bool-val'>true</span>,
<span class='ident'>array</span>: <span class='ident'>array</span>,
<span class='ident'>tokens</span>: <span class='ident'>tokens</span>,
<span class='ident'>require_newline_after_table</span>: <span class='ident'>require_newline_after_table</span>,
}
}
<span class='kw'>fn</span> <span class='ident'>next</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>Cow</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>str</span><span class='op'>>></span>, <span class='ident'>TokenError</span><span class='op'>></span> {
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>first</span> <span class='op'>||</span> <span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>eat</span>(<span class='ident'>Token</span>::<span class='ident'>Period</span>)<span class='question-mark'>?</span> {
<span class='self'>self</span>.<span class='ident'>first</span> <span class='op'>=</span> <span class='bool-val'>false</span>;
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>table_key</span>().<span class='ident'>map</span>(<span class='prelude-val'>Some</span>)
} <span class='kw'>else</span> {
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>expect</span>(<span class='ident'>Token</span>::<span class='ident'>RightBracket</span>)<span class='question-mark'>?</span>;
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>array</span> {
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>expect</span>(<span class='ident'>Token</span>::<span class='ident'>RightBracket</span>)<span class='question-mark'>?</span>;
}
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>eat_whitespace</span>()<span class='question-mark'>?</span>;
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>require_newline_after_table</span> {
<span class='kw'>if</span> <span class='op'>!</span><span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>eat_comment</span>()<span class='question-mark'>?</span> {
<span class='self'>self</span>.<span class='ident'>tokens</span>.<span class='ident'>eat_newline_or_eof</span>()<span class='question-mark'>?</span>;
}
}
<span class='prelude-val'>Ok</span>(<span class='prelude-val'>None</span>)
}
}
}
<span class='kw'>enum</span> <span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>Integer</span>(<span class='ident'>i64</span>),
<span class='ident'>Float</span>(<span class='ident'>f64</span>),
<span class='ident'>Boolean</span>(<span class='ident'>bool</span>),
<span class='ident'>String</span>(<span class='ident'>Cow</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>str</span><span class='op'>></span>),
<span class='ident'>Datetime</span>(<span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>str</span>),
<span class='ident'>Array</span>(<span class='ident'>Vec</span><span class='op'><</span><span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>>></span>),
<span class='ident'>InlineTable</span>(<span class='ident'>Vec</span><span class='op'><</span>(<span class='ident'>Cow</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>str</span><span class='op'>></span>, <span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>)<span class='op'>></span>),
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> {
<span class='kw'>fn</span> <span class='ident'>same_type</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='ident'>Value</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>) <span class='op'>-></span> <span class='ident'>bool</span> {
<span class='kw'>match</span> (<span class='self'>self</span>, <span class='ident'>other</span>) {
(<span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>String</span>(..), <span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>String</span>(..)) <span class='op'>|</span>
(<span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>Integer</span>(..), <span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>Integer</span>(..)) <span class='op'>|</span>
(<span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>Float</span>(..), <span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>Float</span>(..)) <span class='op'>|</span>
(<span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>Boolean</span>(..), <span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>Boolean</span>(..)) <span class='op'>|</span>
(<span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>Datetime</span>(..), <span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>Datetime</span>(..)) <span class='op'>|</span>
(<span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>Array</span>(..), <span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>Array</span>(..)) <span class='op'>|</span>
(<span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>InlineTable</span>(..), <span class='kw-2'>&</span><span class='ident'>Value</span>::<span class='ident'>InlineTable</span>(..)) <span class='op'>=></span> <span class='bool-val'>true</span>,
_ <span class='op'>=></span> <span class='bool-val'>false</span>,
}
}
}
</pre>
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