cab-0.2.15: A maintenance command of Haskell cabal packages

Safe Haskell	None
Language	Haskell2010

Distribution.Cab.VerDB

Contents

Types
Creating
Converting

Synopsis

Types

type PkgName = String Source

data VerDB Source

Instances

Eq VerDB
Show VerDB

data HowToObtain Source

Constructors

InstalledOnly
AllRegistered

Creating

getVerDB :: HowToObtain -> IO VerDB Source

Converting

toList :: VerDB -> [(PkgName, Ver)] Source

Converting VerDB to alist.

>>> db <- getVerDB InstalledOnly
>>> elem "base" . map fst . toList $ db
True

toMap :: VerDB -> Map PkgName Ver Source

Converting VerDB to Map.