Cabal-1.1.4 Contents Index

Distribution.Version Portability portable Stability alpha Maintainer Isaac Jones <ijones@syntaxpolice.org>

Contents Package versions Version ranges Dependencies

Description

Versions for packages, based on the Version datatype.

Synopsis

data VersionRange = AnyVersion | ThisVersion Version | LaterVersion Version | EarlierVersion Version | UnionVersionRanges VersionRange VersionRange | IntersectVersionRanges VersionRange VersionRange orLaterVersion :: Version -> VersionRange orEarlierVersion :: Version -> VersionRange betweenVersionsInclusive :: Version -> Version -> VersionRange withinRange :: Version -> VersionRange -> Bool showVersionRange :: VersionRange -> String parseVersionRange :: ReadP r VersionRange data Dependency = Dependency String VersionRange

Package versions

Version ranges

data VersionRange

Constructors AnyVersion ThisVersion Version LaterVersion Version EarlierVersion Version UnionVersionRanges VersionRange VersionRange IntersectVersionRanges VersionRange VersionRange Instances Eq VersionRange Read VersionRange Show VersionRange

orLaterVersion :: Version -> VersionRange

orEarlierVersion :: Version -> VersionRange

betweenVersionsInclusive :: Version -> Version -> VersionRange

withinRange :: Version -> VersionRange -> Bool

Does this version fall within the given range?

showVersionRange :: VersionRange -> String

parseVersionRange :: ReadP r VersionRange

Dependencies

data Dependency

Constructors Dependency String VersionRange Instances Eq Dependency Read Dependency Show Dependency

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