Parse.optional(3kaya)
NAME
Parse::optional - Parse a string optionally.
SYNOPSIS
Maybe<a> optional( Parser<a> parse, var ParseState st )
ARGUMENTS
parse The parser to use
st The current parsing state
DESCRIPTION
Parse a string optionally, returning nothing if the parser failed.
AUTHORS
Kaya standard library by Edwin Brady, Chris Morris and others
(kaya@kayalang.org). For further information see http://kayalang.org/
LICENSE
- The Kaya standard library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License (version 2.1 or any later version) as published by the Free
Software Foundation.