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- [#unpaired]
- [section unpaired]
- [h1 Synopsis]
- namespace error
- {
- template <int Line, int Col, class Msg = boost::mpl::na>
- struct unpaired;
- }
- This is a [link parsing_error_message parsing error message].
- [table Arguments
- [[Name] [Type]]
- [[`Line`] [`int` value]]
- [[`Col`] [`int` value]]
- [[`Msg`] [[link metaprogramming_value template metaprogramming value]]]
- ]
- [h1 Description]
- Template class representing the error that the closing element of an
- "['opening element] ... ['closing element]" structure is missing. (eg. a closing
- paren is missing). `Line` and `Col` point to the beginning of the
- ['opening element] (eg. the opening paren). `Msg` is the error message the
- parser trying to parse the ['closing element] failed with.
- It supports currying: `unpaired<Line, Col>` is a
- [link metafunction_class template metafunction class] taking one argument: the
- `Msg` element and returning the corresponding `unpaired` value.
- [h1 Header]
- #include <boost/metaparse/error/unpaired.hpp>
- [endsect]
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