Boost C++ Libraries

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Quick Reference

The following tables use some conventions to encode the attribute type exposed by a component

attribute_of(P): The component exposes the same attribute as the component 'P' used as part of the overall construct
value_type(I): The component exposes the value_type of the underlying iterator 'I' as its attribute type

Table 4. Character Parsers

Component	Description	Attribute
`char_`		`char`
`wchar`		`wchar_t`
`lit`		`unused`
`wlit`		`unused`
`'x'`		`unused`
`L'x'`		`unused`
`alnum`		`Char`
`alpha`		`Char`
`blank`		`Char`
`cntrl`		`Char`
`digit`		`Char`
`graph`		`Char`
`print`		`Char`
`punct`		`Char`
`space`		`Char`
`xdigit`		`Char`
`~P`		`attribute_of(P)`