(>>) : ('a -> 'b * 'c) -> ('b -> 'd) -> 'a -> 'd * 'c
- SYNOPSIS
-
Apply function to parser result.
- DESCRIPTION
-
If p is a parser and f a function from the parse result type, p >> f
gives a new parser that `pipes the original parser output through f', i.e.
applies f to the result of the parse.
- FAILURE CONDITIONS
-
Never fails.
- COMMENTS
-
This is one of a suite of combinators for manipulating ``parsers''. A parser is
simply a function whose OCaml type is some instance of
:('a)list -> 'b * ('a)list. The function should take a list of objects of
type :'a (e.g. characters or tokens), parse as much of it as possible from
left to right, and return a pair consisting of the object derived from parsing
(e.g. a term or a special syntax tree) and the list of elements that were not
processed.
- SEE ALSO
-
++, |||, a, atleast, elistof, finished, fix, leftbin, listof, many, nothing,
possibly, rightbin, some.