git-annex/Types/TrustLevel.hs

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{- git-annex trust levels
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Types.TrustLevel (
TrustLevel(..),
TrustMap
) where
import qualified Data.Map as M
import Types.UUID
data TrustLevel = SemiTrusted | UnTrusted | Trusted
deriving Eq
instance Show TrustLevel where
show SemiTrusted = "?"
show UnTrusted = "0"
show Trusted = "1"
instance Read TrustLevel where
readsPrec _ "1" = [(Trusted, "")]
readsPrec _ "0" = [(UnTrusted, "")]
readsPrec _ _ = [(SemiTrusted, "")]
type TrustMap = M.Map UUID TrustLevel