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cook -> toTupple.

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This commit is contained in:
Kazu Yamamoto 2013-03-03 15:51:41 +09:00
parent aa0b1d709c
commit e14dff7508
1 changed files with 3 additions and 3 deletions
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6
Cradle.hs
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@ -69,11 +69,11 @@ cabalDir dir = do
isCabal name = ".cabal" `isSuffixOf` name && length name > 6
ghcVersion :: IO (String, Int)
ghcVersion = ghcVer >>= cook
ghcVersion = ghcVer >>= toTupple
where
ghcVer = programFindVersion ghcProgram silent (programName ghcProgram)
cook Nothing = throwIO $ userError $ "ghc not found"
cook (Just v)
toTupple Nothing = throwIO $ userError $ "ghc not found"
toTupple (Just v)
| length vs < 2 = return (verstr, 0)
| otherwise = return (verstr, ver)
where