Text.ParserCombinators.Parsec.Perm

Portability	non-portable (uses existentially quantified data constructors)
Stability	provisional
Maintainer	daan@cs.uu.nl

Description

This module implements permutation parsers. The algorithm used is fairly complex since we push the type system to its limits :-) The algorithm is described in:

Parsing Permutation Phrases, by Arthur Baars, Andres Loh and Doaitse Swierstra. Published as a functional pearl at the Haskell Workshop 2001.

Documentation

data PermParser tok st a

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permute :: PermParser tok st a -> GenParser tok st a

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(<||>) :: PermParser tok st (a -> b) -> GenParser tok st a -> PermParser tok st b

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(<$$>) :: (a -> b) -> GenParser tok st a -> PermParser tok st b

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(<|?>) :: PermParser tok st (a -> b) -> (a, GenParser tok st a) -> PermParser tok st b

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(<$?>) :: (a -> b) -> (a, GenParser tok st a) -> PermParser tok st b

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