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|
{-# LANGUAGE CPP #-}
module CabalHelper.Compat.Version
( DataVersion
, toDataVersion
, fromDataVersion
, Data.Version.showVersion
) where
import qualified Data.Version
import qualified Distribution.Version (Version)
#if MIN_VERSION_Cabal(2,0,0)
import qualified Distribution.Version (versionNumbers, mkVersion)
#endif
type DataVersion = Data.Version.Version
toDataVersion :: Distribution.Version.Version -> Data.Version.Version
fromDataVersion :: Data.Version.Version -> Distribution.Version.Version
#if MIN_VERSION_Cabal(2,0,0)
toDataVersion v = Data.Version.Version (Distribution.Version.versionNumbers v) []
fromDataVersion (Data.Version.Version vs _) = Distribution.Version.mkVersion vs
#else
toDataVersion = id
fromDataVersion = id
#endif
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