trusty (3) Parse.optional.3kaya.gz

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.