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</pre><pre class="rust">
<span class="kw">use</span> <span class="ident">std</span>::{
<span class="ident">io</span>::{<span class="self">self</span>, <span class="prelude-ty">Result</span>},
<span class="ident">slice</span>,
};
<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::ByteOrder</span>;
<span class="doccomment">/// Extends [`Read`] with methods for reading numbers. (For `std::io`.)</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Most of the methods defined here have an unconstrained type parameter that</span>
<span class="doccomment">/// must be explicitly instantiated. Typically, it is instantiated with either</span>
<span class="doccomment">/// the [`BigEndian`] or [`LittleEndian`] types defined in this crate.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read unsigned 16 bit big-endian integers from a [`Read`]:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![2, 5, 3, 0]);</span>
<span class="doccomment">/// assert_eq!(517, rdr.read_u16::<BigEndian>().unwrap());</span>
<span class="doccomment">/// assert_eq!(768, rdr.read_u16::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`BigEndian`]: enum.BigEndian.html</span>
<span class="doccomment">/// [`LittleEndian`]: enum.LittleEndian.html</span>
<span class="doccomment">/// [`Read`]: https://doc.rust-lang.org/std/io/trait.Read.html</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">ReadBytesExt</span>: <span class="ident">io::Read</span> {
<span class="doccomment">/// Reads an unsigned 8 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Note that since this reads a single byte, no byte order conversions</span>
<span class="doccomment">/// are used. It is included for completeness.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read unsigned 8 bit integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::ReadBytesExt;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![2, 5]);</span>
<span class="doccomment">/// assert_eq!(2, rdr.read_u8().unwrap());</span>
<span class="doccomment">/// assert_eq!(5, rdr.read_u8().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_u8</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u8</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">1</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">buf</span>[<span class="number">0</span>])
}
<span class="doccomment">/// Reads a signed 8 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Note that since this reads a single byte, no byte order conversions</span>
<span class="doccomment">/// are used. It is included for completeness.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read signed 8 bit integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::ReadBytesExt;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0x02, 0xfb]);</span>
<span class="doccomment">/// assert_eq!(2, rdr.read_i8().unwrap());</span>
<span class="doccomment">/// assert_eq!(-5, rdr.read_i8().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_i8</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">i8</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">1</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">buf</span>[<span class="number">0</span>] <span class="kw">as</span> <span class="ident">i8</span>)
}
<span class="doccomment">/// Reads an unsigned 16 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read unsigned 16 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![2, 5, 3, 0]);</span>
<span class="doccomment">/// assert_eq!(517, rdr.read_u16::<BigEndian>().unwrap());</span>
<span class="doccomment">/// assert_eq!(768, rdr.read_u16::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_u16</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u16</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">2</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_u16</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads a signed 16 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read signed 16 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0x00, 0xc1, 0xff, 0x7c]);</span>
<span class="doccomment">/// assert_eq!(193, rdr.read_i16::<BigEndian>().unwrap());</span>
<span class="doccomment">/// assert_eq!(-132, rdr.read_i16::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_i16</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">i16</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">2</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_i16</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads an unsigned 24 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read unsigned 24 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0x00, 0x01, 0x0b]);</span>
<span class="doccomment">/// assert_eq!(267, rdr.read_u24::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_u24</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">3</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_u24</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads a signed 24 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read signed 24 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0xff, 0x7a, 0x33]);</span>
<span class="doccomment">/// assert_eq!(-34253, rdr.read_i24::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_i24</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">3</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_i24</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads an unsigned 32 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read unsigned 32 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0x00, 0x00, 0x01, 0x0b]);</span>
<span class="doccomment">/// assert_eq!(267, rdr.read_u32::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_u32</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">4</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_u32</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads a signed 32 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read signed 32 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0xff, 0xff, 0x7a, 0x33]);</span>
<span class="doccomment">/// assert_eq!(-34253, rdr.read_i32::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_i32</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">4</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_i32</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads an unsigned 48 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read unsigned 48 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0xb6, 0x71, 0x6b, 0xdc, 0x2b, 0x31]);</span>
<span class="doccomment">/// assert_eq!(200598257150769, rdr.read_u48::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_u48</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u64</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">6</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_u48</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads a signed 48 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read signed 48 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0x9d, 0x71, 0xab, 0xe7, 0x97, 0x8f]);</span>
<span class="doccomment">/// assert_eq!(-108363435763825, rdr.read_i48::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_i48</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">i64</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">6</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_i48</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads an unsigned 64 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read an unsigned 64 bit big-endian integer from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0x00, 0x03, 0x43, 0x95, 0x4d, 0x60, 0x86, 0x83]);</span>
<span class="doccomment">/// assert_eq!(918733457491587, rdr.read_u64::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_u64</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u64</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">8</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_u64</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads a signed 64 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a signed 64 bit big-endian integer from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0x80, 0, 0, 0, 0, 0, 0, 0]);</span>
<span class="doccomment">/// assert_eq!(i64::min_value(), rdr.read_i64::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_i64</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">i64</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">8</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_i64</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads an unsigned 128 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read an unsigned 128 bit big-endian integer from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![</span>
<span class="doccomment">/// 0x00, 0x03, 0x43, 0x95, 0x4d, 0x60, 0x86, 0x83,</span>
<span class="doccomment">/// 0x00, 0x03, 0x43, 0x95, 0x4d, 0x60, 0x86, 0x83</span>
<span class="doccomment">/// ]);</span>
<span class="doccomment">/// assert_eq!(16947640962301618749969007319746179, rdr.read_u128::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_u128</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u128</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">16</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_u128</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads a signed 128 bit integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a signed 128 bit big-endian integer from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]);</span>
<span class="doccomment">/// assert_eq!(i128::min_value(), rdr.read_i128::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_i128</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">i128</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">16</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_i128</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads an unsigned n-bytes integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read an unsigned n-byte big-endian integer from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0x80, 0x74, 0xfa]);</span>
<span class="doccomment">/// assert_eq!(8418554, rdr.read_uint::<BigEndian>(3).unwrap());</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_uint</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">nbytes</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u64</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">8</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>[..<span class="ident">nbytes</span>])<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_uint</span>(<span class="kw-2">&</span><span class="ident">buf</span>[..<span class="ident">nbytes</span>], <span class="ident">nbytes</span>))
}
<span class="doccomment">/// Reads a signed n-bytes integer from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read an unsigned n-byte big-endian integer from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0xc1, 0xff, 0x7c]);</span>
<span class="doccomment">/// assert_eq!(-4063364, rdr.read_int::<BigEndian>(3).unwrap());</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_int</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">nbytes</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">i64</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">8</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>[..<span class="ident">nbytes</span>])<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_int</span>(<span class="kw-2">&</span><span class="ident">buf</span>[..<span class="ident">nbytes</span>], <span class="ident">nbytes</span>))
}
<span class="doccomment">/// Reads an unsigned n-bytes integer from the underlying reader.</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_uint128</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">nbytes</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u128</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">16</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>[..<span class="ident">nbytes</span>])<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_uint128</span>(<span class="kw-2">&</span><span class="ident">buf</span>[..<span class="ident">nbytes</span>], <span class="ident">nbytes</span>))
}
<span class="doccomment">/// Reads a signed n-bytes integer from the underlying reader.</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_int128</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">nbytes</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">i128</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">16</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>[..<span class="ident">nbytes</span>])<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_int128</span>(<span class="kw-2">&</span><span class="ident">buf</span>[..<span class="ident">nbytes</span>], <span class="ident">nbytes</span>))
}
<span class="doccomment">/// Reads a IEEE754 single-precision (4 bytes) floating point number from</span>
<span class="doccomment">/// the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a big-endian single-precision floating point number from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::f32;</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![</span>
<span class="doccomment">/// 0x40, 0x49, 0x0f, 0xdb,</span>
<span class="doccomment">/// ]);</span>
<span class="doccomment">/// assert_eq!(f32::consts::PI, rdr.read_f32::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_f32</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">f32</span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">4</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_f32</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads a IEEE754 double-precision (8 bytes) floating point number from</span>
<span class="doccomment">/// the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a big-endian double-precision floating point number from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::f64;</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![</span>
<span class="doccomment">/// 0x40, 0x09, 0x21, 0xfb, 0x54, 0x44, 0x2d, 0x18,</span>
<span class="doccomment">/// ]);</span>
<span class="doccomment">/// assert_eq!(f64::consts::PI, rdr.read_f64::<BigEndian>().unwrap());</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_f64</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</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="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">8</span>];
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">T::read_f64</span>(<span class="kw-2">&</span><span class="ident">buf</span>))
}
<span class="doccomment">/// Reads a sequence of unsigned 16 bit integers from the underlying</span>
<span class="doccomment">/// reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The given buffer is either filled completely or an error is returned.</span>
<span class="doccomment">/// If an error is returned, the contents of `dst` are unspecified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a sequence of unsigned 16 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![2, 5, 3, 0]);</span>
<span class="doccomment">/// let mut dst = [0; 2];</span>
<span class="doccomment">/// rdr.read_u16_into::<BigEndian>(&mut dst).unwrap();</span>
<span class="doccomment">/// assert_eq!([517, 768], dst);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_u16_into</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dst</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">u16</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
{
<span class="kw">let</span> <span class="ident">buf</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">slice_to_u8_mut</span>(<span class="ident">dst</span>) };
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="ident">buf</span>)<span class="question-mark">?</span>;
}
<span class="ident">T::from_slice_u16</span>(<span class="ident">dst</span>);
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Reads a sequence of unsigned 32 bit integers from the underlying</span>
<span class="doccomment">/// reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The given buffer is either filled completely or an error is returned.</span>
<span class="doccomment">/// If an error is returned, the contents of `dst` are unspecified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a sequence of unsigned 32 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0, 0, 2, 5, 0, 0, 3, 0]);</span>
<span class="doccomment">/// let mut dst = [0; 2];</span>
<span class="doccomment">/// rdr.read_u32_into::<BigEndian>(&mut dst).unwrap();</span>
<span class="doccomment">/// assert_eq!([517, 768], dst);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_u32_into</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dst</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">u32</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
{
<span class="kw">let</span> <span class="ident">buf</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">slice_to_u8_mut</span>(<span class="ident">dst</span>) };
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="ident">buf</span>)<span class="question-mark">?</span>;
}
<span class="ident">T::from_slice_u32</span>(<span class="ident">dst</span>);
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Reads a sequence of unsigned 64 bit integers from the underlying</span>
<span class="doccomment">/// reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The given buffer is either filled completely or an error is returned.</span>
<span class="doccomment">/// If an error is returned, the contents of `dst` are unspecified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a sequence of unsigned 64 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![</span>
<span class="doccomment">/// 0, 0, 0, 0, 0, 0, 2, 5,</span>
<span class="doccomment">/// 0, 0, 0, 0, 0, 0, 3, 0,</span>
<span class="doccomment">/// ]);</span>
<span class="doccomment">/// let mut dst = [0; 2];</span>
<span class="doccomment">/// rdr.read_u64_into::<BigEndian>(&mut dst).unwrap();</span>
<span class="doccomment">/// assert_eq!([517, 768], dst);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_u64_into</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dst</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">u64</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
{
<span class="kw">let</span> <span class="ident">buf</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">slice_to_u8_mut</span>(<span class="ident">dst</span>) };
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="ident">buf</span>)<span class="question-mark">?</span>;
}
<span class="ident">T::from_slice_u64</span>(<span class="ident">dst</span>);
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Reads a sequence of unsigned 128 bit integers from the underlying</span>
<span class="doccomment">/// reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The given buffer is either filled completely or an error is returned.</span>
<span class="doccomment">/// If an error is returned, the contents of `dst` are unspecified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a sequence of unsigned 128 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![</span>
<span class="doccomment">/// 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 5,</span>
<span class="doccomment">/// 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0,</span>
<span class="doccomment">/// ]);</span>
<span class="doccomment">/// let mut dst = [0; 2];</span>
<span class="doccomment">/// rdr.read_u128_into::<BigEndian>(&mut dst).unwrap();</span>
<span class="doccomment">/// assert_eq!([517, 768], dst);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_u128_into</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>,
<span class="ident">dst</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">u128</span>],
) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
{
<span class="kw">let</span> <span class="ident">buf</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">slice_to_u8_mut</span>(<span class="ident">dst</span>) };
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="ident">buf</span>)<span class="question-mark">?</span>;
}
<span class="ident">T::from_slice_u128</span>(<span class="ident">dst</span>);
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Reads a sequence of signed 8 bit integers from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The given buffer is either filled completely or an error is returned.</span>
<span class="doccomment">/// If an error is returned, the contents of `dst` are unspecified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Note that since each `i8` is a single byte, no byte order conversions</span>
<span class="doccomment">/// are used. This method is included because it provides a safe, simple</span>
<span class="doccomment">/// way for the caller to read into a `&mut [i8]` buffer. (Without this</span>
<span class="doccomment">/// method, the caller would have to either use `unsafe` code or convert</span>
<span class="doccomment">/// each byte to `i8` individually.)</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a sequence of signed 8 bit integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![2, 251, 3]);</span>
<span class="doccomment">/// let mut dst = [0; 3];</span>
<span class="doccomment">/// rdr.read_i8_into(&mut dst).unwrap();</span>
<span class="doccomment">/// assert_eq!([2, -5, 3], dst);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_i8_into</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dst</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">i8</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="ident">buf</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">slice_to_u8_mut</span>(<span class="ident">dst</span>) };
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="ident">buf</span>)
}
<span class="doccomment">/// Reads a sequence of signed 16 bit integers from the underlying</span>
<span class="doccomment">/// reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The given buffer is either filled completely or an error is returned.</span>
<span class="doccomment">/// If an error is returned, the contents of `dst` are unspecified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a sequence of signed 16 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![2, 5, 3, 0]);</span>
<span class="doccomment">/// let mut dst = [0; 2];</span>
<span class="doccomment">/// rdr.read_i16_into::<BigEndian>(&mut dst).unwrap();</span>
<span class="doccomment">/// assert_eq!([517, 768], dst);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_i16_into</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dst</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">i16</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
{
<span class="kw">let</span> <span class="ident">buf</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">slice_to_u8_mut</span>(<span class="ident">dst</span>) };
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="ident">buf</span>)<span class="question-mark">?</span>;
}
<span class="ident">T::from_slice_i16</span>(<span class="ident">dst</span>);
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Reads a sequence of signed 32 bit integers from the underlying</span>
<span class="doccomment">/// reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The given buffer is either filled completely or an error is returned.</span>
<span class="doccomment">/// If an error is returned, the contents of `dst` are unspecified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a sequence of signed 32 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![0, 0, 2, 5, 0, 0, 3, 0]);</span>
<span class="doccomment">/// let mut dst = [0; 2];</span>
<span class="doccomment">/// rdr.read_i32_into::<BigEndian>(&mut dst).unwrap();</span>
<span class="doccomment">/// assert_eq!([517, 768], dst);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_i32_into</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dst</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">i32</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
{
<span class="kw">let</span> <span class="ident">buf</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">slice_to_u8_mut</span>(<span class="ident">dst</span>) };
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="ident">buf</span>)<span class="question-mark">?</span>;
}
<span class="ident">T::from_slice_i32</span>(<span class="ident">dst</span>);
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Reads a sequence of signed 64 bit integers from the underlying</span>
<span class="doccomment">/// reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The given buffer is either filled completely or an error is returned.</span>
<span class="doccomment">/// If an error is returned, the contents of `dst` are unspecified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a sequence of signed 64 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![</span>
<span class="doccomment">/// 0, 0, 0, 0, 0, 0, 2, 5,</span>
<span class="doccomment">/// 0, 0, 0, 0, 0, 0, 3, 0,</span>
<span class="doccomment">/// ]);</span>
<span class="doccomment">/// let mut dst = [0; 2];</span>
<span class="doccomment">/// rdr.read_i64_into::<BigEndian>(&mut dst).unwrap();</span>
<span class="doccomment">/// assert_eq!([517, 768], dst);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_i64_into</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dst</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">i64</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
{
<span class="kw">let</span> <span class="ident">buf</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">slice_to_u8_mut</span>(<span class="ident">dst</span>) };
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="ident">buf</span>)<span class="question-mark">?</span>;
}
<span class="ident">T::from_slice_i64</span>(<span class="ident">dst</span>);
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Reads a sequence of signed 128 bit integers from the underlying</span>
<span class="doccomment">/// reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The given buffer is either filled completely or an error is returned.</span>
<span class="doccomment">/// If an error is returned, the contents of `dst` are unspecified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a sequence of signed 128 bit big-endian integers from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![</span>
<span class="doccomment">/// 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 5,</span>
<span class="doccomment">/// 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0,</span>
<span class="doccomment">/// ]);</span>
<span class="doccomment">/// let mut dst = [0; 2];</span>
<span class="doccomment">/// rdr.read_i128_into::<BigEndian>(&mut dst).unwrap();</span>
<span class="doccomment">/// assert_eq!([517, 768], dst);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_i128_into</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>,
<span class="ident">dst</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">i128</span>],
) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
{
<span class="kw">let</span> <span class="ident">buf</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">slice_to_u8_mut</span>(<span class="ident">dst</span>) };
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="ident">buf</span>)<span class="question-mark">?</span>;
}
<span class="ident">T::from_slice_i128</span>(<span class="ident">dst</span>);
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// Reads a sequence of IEEE754 single-precision (4 bytes) floating</span>
<span class="doccomment">/// point numbers from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The given buffer is either filled completely or an error is returned.</span>
<span class="doccomment">/// If an error is returned, the contents of `dst` are unspecified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a sequence of big-endian single-precision floating point number</span>
<span class="doccomment">/// from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::f32;</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![</span>
<span class="doccomment">/// 0x40, 0x49, 0x0f, 0xdb,</span>
<span class="doccomment">/// 0x3f, 0x80, 0x00, 0x00,</span>
<span class="doccomment">/// ]);</span>
<span class="doccomment">/// let mut dst = [0.0; 2];</span>
<span class="doccomment">/// rdr.read_f32_into::<BigEndian>(&mut dst).unwrap();</span>
<span class="doccomment">/// assert_eq!([f32::consts::PI, 1.0], dst);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_f32_into</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dst</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">f32</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
{
<span class="kw">let</span> <span class="ident">buf</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">slice_to_u8_mut</span>(<span class="ident">dst</span>) };
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="ident">buf</span>)<span class="question-mark">?</span>;
}
<span class="ident">T::from_slice_f32</span>(<span class="ident">dst</span>);
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// **DEPRECATED**.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method is deprecated. Use `read_f32_into` instead.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Reads a sequence of IEEE754 single-precision (4 bytes) floating</span>
<span class="doccomment">/// point numbers from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The given buffer is either filled completely or an error is returned.</span>
<span class="doccomment">/// If an error is returned, the contents of `dst` are unspecified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a sequence of big-endian single-precision floating point number</span>
<span class="doccomment">/// from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::f32;</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![</span>
<span class="doccomment">/// 0x40, 0x49, 0x0f, 0xdb,</span>
<span class="doccomment">/// 0x3f, 0x80, 0x00, 0x00,</span>
<span class="doccomment">/// ]);</span>
<span class="doccomment">/// let mut dst = [0.0; 2];</span>
<span class="doccomment">/// rdr.read_f32_into_unchecked::<BigEndian>(&mut dst).unwrap();</span>
<span class="doccomment">/// assert_eq!([f32::consts::PI, 1.0], dst);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">deprecated</span>(<span class="ident">since</span> <span class="op">=</span> <span class="string">"1.2.0"</span>, <span class="ident">note</span> <span class="op">=</span> <span class="string">"please use `read_f32_into` instead"</span>)]</span>
<span class="kw">fn</span> <span class="ident">read_f32_into_unchecked</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>,
<span class="ident">dst</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">f32</span>],
) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="self">self</span>.<span class="ident">read_f32_into</span>::<span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">dst</span>)
}
<span class="doccomment">/// Reads a sequence of IEEE754 double-precision (8 bytes) floating</span>
<span class="doccomment">/// point numbers from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The given buffer is either filled completely or an error is returned.</span>
<span class="doccomment">/// If an error is returned, the contents of `dst` are unspecified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a sequence of big-endian single-precision floating point number</span>
<span class="doccomment">/// from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::f64;</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![</span>
<span class="doccomment">/// 0x40, 0x09, 0x21, 0xfb, 0x54, 0x44, 0x2d, 0x18,</span>
<span class="doccomment">/// 0x3f, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</span>
<span class="doccomment">/// ]);</span>
<span class="doccomment">/// let mut dst = [0.0; 2];</span>
<span class="doccomment">/// rdr.read_f64_into::<BigEndian>(&mut dst).unwrap();</span>
<span class="doccomment">/// assert_eq!([f64::consts::PI, 1.0], dst);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">read_f64_into</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dst</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">f64</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
{
<span class="kw">let</span> <span class="ident">buf</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">slice_to_u8_mut</span>(<span class="ident">dst</span>) };
<span class="self">self</span>.<span class="ident">read_exact</span>(<span class="ident">buf</span>)<span class="question-mark">?</span>;
}
<span class="ident">T::from_slice_f64</span>(<span class="ident">dst</span>);
<span class="prelude-val">Ok</span>(())
}
<span class="doccomment">/// **DEPRECATED**.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method is deprecated. Use `read_f64_into` instead.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Reads a sequence of IEEE754 double-precision (8 bytes) floating</span>
<span class="doccomment">/// point numbers from the underlying reader.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The given buffer is either filled completely or an error is returned.</span>
<span class="doccomment">/// If an error is returned, the contents of `dst` are unspecified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Safety</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method is unsafe because there are no guarantees made about the</span>
<span class="doccomment">/// floating point values. In particular, this method does not check for</span>
<span class="doccomment">/// signaling NaNs, which may result in undefined behavior.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Read::read_exact`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Read::read_exact`]: https://doc.rust-lang.org/std/io/trait.Read.html#method.read_exact</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Read a sequence of big-endian single-precision floating point number</span>
<span class="doccomment">/// from a `Read`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::f64;</span>
<span class="doccomment">/// use std::io::Cursor;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// use byteorder::{BigEndian, ReadBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut rdr = Cursor::new(vec![</span>
<span class="doccomment">/// 0x40, 0x09, 0x21, 0xfb, 0x54, 0x44, 0x2d, 0x18,</span>
<span class="doccomment">/// 0x3f, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</span>
<span class="doccomment">/// ]);</span>
<span class="doccomment">/// let mut dst = [0.0; 2];</span>
<span class="doccomment">/// rdr.read_f64_into_unchecked::<BigEndian>(&mut dst).unwrap();</span>
<span class="doccomment">/// assert_eq!([f64::consts::PI, 1.0], dst);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">deprecated</span>(<span class="ident">since</span> <span class="op">=</span> <span class="string">"1.2.0"</span>, <span class="ident">note</span> <span class="op">=</span> <span class="string">"please use `read_f64_into` instead"</span>)]</span>
<span class="kw">fn</span> <span class="ident">read_f64_into_unchecked</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>,
<span class="ident">dst</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">f64</span>],
) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="self">self</span>.<span class="ident">read_f64_into</span>::<span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">dst</span>)
}
}
<span class="doccomment">/// All types that implement `Read` get methods defined in `ReadBytesExt`</span>
<span class="doccomment">/// for free.</span>
<span class="kw">impl</span><span class="op"><</span><span class="ident">R</span>: <span class="ident">io::Read</span> <span class="op">+</span> <span class="question-mark">?</span><span class="ident">Sized</span><span class="op">></span> <span class="ident">ReadBytesExt</span> <span class="kw">for</span> <span class="ident">R</span> {}
<span class="doccomment">/// Extends [`Write`] with methods for writing numbers. (For `std::io`.)</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Most of the methods defined here have an unconstrained type parameter that</span>
<span class="doccomment">/// must be explicitly instantiated. Typically, it is instantiated with either</span>
<span class="doccomment">/// the [`BigEndian`] or [`LittleEndian`] types defined in this crate.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write unsigned 16 bit big-endian integers to a [`Write`]:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = vec![];</span>
<span class="doccomment">/// wtr.write_u16::<BigEndian>(517).unwrap();</span>
<span class="doccomment">/// wtr.write_u16::<BigEndian>(768).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, vec![2, 5, 3, 0]);</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`BigEndian`]: enum.BigEndian.html</span>
<span class="doccomment">/// [`LittleEndian`]: enum.LittleEndian.html</span>
<span class="doccomment">/// [`Write`]: https://doc.rust-lang.org/std/io/trait.Write.html</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">WriteBytesExt</span>: <span class="ident">io::Write</span> {
<span class="doccomment">/// Writes an unsigned 8 bit integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Note that since this writes a single byte, no byte order conversions</span>
<span class="doccomment">/// are used. It is included for completeness.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write unsigned 8 bit integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::WriteBytesExt;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_u8(2).unwrap();</span>
<span class="doccomment">/// wtr.write_u8(5).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\x02\x05");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_u8</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">u8</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span>[<span class="ident">n</span>])
}
<span class="doccomment">/// Writes a signed 8 bit integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Note that since this writes a single byte, no byte order conversions</span>
<span class="doccomment">/// are used. It is included for completeness.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write signed 8 bit integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::WriteBytesExt;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_i8(2).unwrap();</span>
<span class="doccomment">/// wtr.write_i8(-5).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\x02\xfb");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_i8</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">i8</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span>[<span class="ident">n</span> <span class="kw">as</span> <span class="ident">u8</span>])
}
<span class="doccomment">/// Writes an unsigned 16 bit integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write unsigned 16 bit big-endian integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_u16::<BigEndian>(517).unwrap();</span>
<span class="doccomment">/// wtr.write_u16::<BigEndian>(768).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\x02\x05\x03\x00");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_u16</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">u16</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">2</span>];
<span class="ident">T::write_u16</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
<span class="doccomment">/// Writes a signed 16 bit integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write signed 16 bit big-endian integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_i16::<BigEndian>(193).unwrap();</span>
<span class="doccomment">/// wtr.write_i16::<BigEndian>(-132).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\x00\xc1\xff\x7c");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_i16</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">i16</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">2</span>];
<span class="ident">T::write_i16</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
<span class="doccomment">/// Writes an unsigned 24 bit integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write unsigned 24 bit big-endian integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_u24::<BigEndian>(267).unwrap();</span>
<span class="doccomment">/// wtr.write_u24::<BigEndian>(120111).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\x00\x01\x0b\x01\xd5\x2f");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_u24</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">u32</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">3</span>];
<span class="ident">T::write_u24</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
<span class="doccomment">/// Writes a signed 24 bit integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write signed 24 bit big-endian integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_i24::<BigEndian>(-34253).unwrap();</span>
<span class="doccomment">/// wtr.write_i24::<BigEndian>(120111).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\xff\x7a\x33\x01\xd5\x2f");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_i24</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">i32</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">3</span>];
<span class="ident">T::write_i24</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
<span class="doccomment">/// Writes an unsigned 32 bit integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write unsigned 32 bit big-endian integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_u32::<BigEndian>(267).unwrap();</span>
<span class="doccomment">/// wtr.write_u32::<BigEndian>(1205419366).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\x00\x00\x01\x0b\x47\xd9\x3d\x66");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_u32</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">u32</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">4</span>];
<span class="ident">T::write_u32</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
<span class="doccomment">/// Writes a signed 32 bit integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write signed 32 bit big-endian integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_i32::<BigEndian>(-34253).unwrap();</span>
<span class="doccomment">/// wtr.write_i32::<BigEndian>(1205419366).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\xff\xff\x7a\x33\x47\xd9\x3d\x66");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_i32</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">i32</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">4</span>];
<span class="ident">T::write_i32</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
<span class="doccomment">/// Writes an unsigned 48 bit integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write unsigned 48 bit big-endian integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_u48::<BigEndian>(52360336390828).unwrap();</span>
<span class="doccomment">/// wtr.write_u48::<BigEndian>(541).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\x2f\x9f\x17\x40\x3a\xac\x00\x00\x00\x00\x02\x1d");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_u48</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">u64</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">6</span>];
<span class="ident">T::write_u48</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
<span class="doccomment">/// Writes a signed 48 bit integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write signed 48 bit big-endian integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_i48::<BigEndian>(-108363435763825).unwrap();</span>
<span class="doccomment">/// wtr.write_i48::<BigEndian>(77).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\x9d\x71\xab\xe7\x97\x8f\x00\x00\x00\x00\x00\x4d");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_i48</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">i64</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">6</span>];
<span class="ident">T::write_i48</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
<span class="doccomment">/// Writes an unsigned 64 bit integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write unsigned 64 bit big-endian integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_u64::<BigEndian>(918733457491587).unwrap();</span>
<span class="doccomment">/// wtr.write_u64::<BigEndian>(143).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\x00\x03\x43\x95\x4d\x60\x86\x83\x00\x00\x00\x00\x00\x00\x00\x8f");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_u64</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">u64</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">8</span>];
<span class="ident">T::write_u64</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
<span class="doccomment">/// Writes a signed 64 bit integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write signed 64 bit big-endian integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_i64::<BigEndian>(i64::min_value()).unwrap();</span>
<span class="doccomment">/// wtr.write_i64::<BigEndian>(i64::max_value()).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\x80\x00\x00\x00\x00\x00\x00\x00\x7f\xff\xff\xff\xff\xff\xff\xff");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_i64</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">i64</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">8</span>];
<span class="ident">T::write_i64</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
<span class="doccomment">/// Writes an unsigned 128 bit integer to the underlying writer.</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_u128</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">u128</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">16</span>];
<span class="ident">T::write_u128</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
<span class="doccomment">/// Writes a signed 128 bit integer to the underlying writer.</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_i128</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">i128</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">16</span>];
<span class="ident">T::write_i128</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
<span class="doccomment">/// Writes an unsigned n-bytes integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If the given integer is not representable in the given number of bytes,</span>
<span class="doccomment">/// this method panics. If `nbytes > 8`, this method panics.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write unsigned 40 bit big-endian integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_uint::<BigEndian>(312550384361, 5).unwrap();</span>
<span class="doccomment">/// wtr.write_uint::<BigEndian>(43, 5).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\x48\xc5\x74\x62\xe9\x00\x00\x00\x00\x2b");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_uint</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>,
<span class="ident">n</span>: <span class="ident">u64</span>,
<span class="ident">nbytes</span>: <span class="ident">usize</span>,
) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">8</span>];
<span class="ident">T::write_uint</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>, <span class="ident">nbytes</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>[<span class="number">0</span>..<span class="ident">nbytes</span>])
}
<span class="doccomment">/// Writes a signed n-bytes integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If the given integer is not representable in the given number of bytes,</span>
<span class="doccomment">/// this method panics. If `nbytes > 8`, this method panics.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write signed 56 bit big-endian integers to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_int::<BigEndian>(-3548172039376767, 7).unwrap();</span>
<span class="doccomment">/// wtr.write_int::<BigEndian>(43, 7).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\xf3\x64\xf4\xd1\xfd\xb0\x81\x00\x00\x00\x00\x00\x00\x2b");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_int</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>,
<span class="ident">n</span>: <span class="ident">i64</span>,
<span class="ident">nbytes</span>: <span class="ident">usize</span>,
) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">8</span>];
<span class="ident">T::write_int</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>, <span class="ident">nbytes</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>[<span class="number">0</span>..<span class="ident">nbytes</span>])
}
<span class="doccomment">/// Writes an unsigned n-bytes integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If the given integer is not representable in the given number of bytes,</span>
<span class="doccomment">/// this method panics. If `nbytes > 16`, this method panics.</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_uint128</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>,
<span class="ident">n</span>: <span class="ident">u128</span>,
<span class="ident">nbytes</span>: <span class="ident">usize</span>,
) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">16</span>];
<span class="ident">T::write_uint128</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>, <span class="ident">nbytes</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>[<span class="number">0</span>..<span class="ident">nbytes</span>])
}
<span class="doccomment">/// Writes a signed n-bytes integer to the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If the given integer is not representable in the given number of bytes,</span>
<span class="doccomment">/// this method panics. If `nbytes > 16`, this method panics.</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_int128</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>,
<span class="ident">n</span>: <span class="ident">i128</span>,
<span class="ident">nbytes</span>: <span class="ident">usize</span>,
) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">16</span>];
<span class="ident">T::write_int128</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>, <span class="ident">nbytes</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>[<span class="number">0</span>..<span class="ident">nbytes</span>])
}
<span class="doccomment">/// Writes a IEEE754 single-precision (4 bytes) floating point number to</span>
<span class="doccomment">/// the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write a big-endian single-precision floating point number to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::f32;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_f32::<BigEndian>(f32::consts::PI).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\x40\x49\x0f\xdb");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_f32</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">f32</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">4</span>];
<span class="ident">T::write_f32</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
<span class="doccomment">/// Writes a IEEE754 double-precision (8 bytes) floating point number to</span>
<span class="doccomment">/// the underlying writer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This method returns the same errors as [`Write::write_all`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Write::write_all`]: https://doc.rust-lang.org/std/io/trait.Write.html#method.write_all</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Write a big-endian double-precision floating point number to a `Write`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// use std::f64;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// use byteorder::{BigEndian, WriteBytesExt};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut wtr = Vec::new();</span>
<span class="doccomment">/// wtr.write_f64::<BigEndian>(f64::consts::PI).unwrap();</span>
<span class="doccomment">/// assert_eq!(wtr, b"\x40\x09\x21\xfb\x54\x44\x2d\x18");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">write_f64</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ByteOrder</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">n</span>: <span class="ident">f64</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">8</span>];
<span class="ident">T::write_f64</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>, <span class="ident">n</span>);
<span class="self">self</span>.<span class="ident">write_all</span>(<span class="kw-2">&</span><span class="ident">buf</span>)
}
}
<span class="doccomment">/// All types that implement `Write` get methods defined in `WriteBytesExt`</span>
<span class="doccomment">/// for free.</span>
<span class="kw">impl</span><span class="op"><</span><span class="ident">W</span>: <span class="ident">io::Write</span> <span class="op">+</span> <span class="question-mark">?</span><span class="ident">Sized</span><span class="op">></span> <span class="ident">WriteBytesExt</span> <span class="kw">for</span> <span class="ident">W</span> {}
<span class="doccomment">/// Convert a slice of T (where T is plain old data) to its mutable binary</span>
<span class="doccomment">/// representation.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This function is wildly unsafe because it permits arbitrary modification of</span>
<span class="doccomment">/// the binary representation of any `Copy` type. Use with care. It's intended</span>
<span class="doccomment">/// to be called only where `T` is a numeric type.</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">slice_to_u8_mut</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">Copy</span><span class="op">></span>(<span class="ident">slice</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">T</span>]) <span class="op">-</span><span class="op">></span> <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">u8</span>] {
<span class="kw">use</span> <span class="ident">std::mem::size_of</span>;
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="ident">size_of</span>::<span class="op"><</span><span class="ident">T</span><span class="op">></span>() <span class="op">*</span> <span class="ident">slice</span>.<span class="ident">len</span>();
<span class="ident">slice::from_raw_parts_mut</span>(<span class="ident">slice</span>.<span class="ident">as_mut_ptr</span>() <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">u8</span>, <span class="ident">len</span>)
}
</pre></div>
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