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{- git-annex transfer direction types
-
- Copyright 2012 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE OverloadedStrings #-}
module Types.Direction where
import qualified Data.ByteString as B
data Direction = Upload | Download
deriving (Eq, Ord, Show, Read)
formatDirection :: Direction -> B.ByteString
formatDirection Upload = "upload"
formatDirection Download = "download"
parseDirection :: String -> Maybe Direction
parseDirection "upload" = Just Upload
parseDirection "download" = Just Download
parseDirection _ = Nothing
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