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Auxiliary Parsers

Expression

Attribute

Description

eol

Unused

Matches the end of line (\r or \n or \r\n)

eoi

Unused

Matches the end of input (first == last)

eps

Unused

Match an empty string

eps(b)

Unused

If b is true, match an empty string

lazy(fp)

Attribute of P where P is the return type of fp

Invoke fp at parse time, returning a parser p which is then called to parse.

fp

see lazy(fp) above

Equivalent to lazy(fp)

attr(attrib)

Attrib

Doesn't consume/parse any input, but exposes the argument attrib as its attribute.


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