A Parser for parsing inputs that are chunks from streaming sources.
| parse_stream | Parse the given stream, which is an Iterator of String chunks, using a
Parser with no bindings of operators, and return a vector of the results
as Datum ASTs for each successfully-parsed top-level form and/or an
Error.
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| parse_stream_with | Parse the given stream, which is an Iterator of String chunks, using a
Parser that uses the given OperatorBindings value, and return a vector
of the results as Datum ASTs for each successfully-parsed top-level form
and/or an Error.
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| parser | Make a new Parser that uses the given OperatorBindings value and that
uses the types chosen by this module.
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| DatumAllocator | Chosen so that the Datums in the AST values returned from parsing are
simply allocated in heap Boxes without limit.
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| OperatorBindings | Chosen so that you may establish bindings simply using the std HashMap
and with flexible trait objects for the function types.
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| Parser | A Parser for parsing inputs that are chunks from a streaming source, as
a sequence of String chunks yielded by an Iterator, that uses: the
default characters as delimiters, Boxes to allocate the Datums in ASTs
returned from parsing, and HashMaps to bind operator sub-forms to
Combiner macro functions.
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| Text | Chosen so that the application can choose whether or not to use all the
capacity of an input stream's String chunks, and so that referenced parts
of chunks are zero-copy, and so that char positions are tracked (relative
to the input stream), and so that, when chunks are broken around escape
characters, a simple Vec is used to logically concatenate them.
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| TopFormResult | The Result of parsing a top-level form, and the type of elements returned
by parse_stream and parse_stream_with.
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