Cabal-1.6.0.1: A framework for packaging Haskell software Contents Index

Distribution.Text Portability portable Maintainer cabal-devel@haskell.org

Description

This defines a Text class which is a bit like the Read and Show classes. The difference is that is uses a modern pretty printer and parser system and the format is not expected to be Haskell concrete syntax but rather the external human readable representation used by Cabal.

Documentation

class Text a where

Methods disp :: a -> Doc parse :: ReadP r a Instances Text Bool Text Version Text VersionWildcard Text VersionRange Text Extension Text Platform Text Arch Text OS Text Dependency Text PackageIdentifier Text PackageName Text ModuleName Text License Text CompilerId Text CompilerFlavor Text RepoType Text RepoKind Text BuildType

display :: Text a => a -> String

simpleParse :: Text a => String -> Maybe a

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