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Simon Michael 2010-09-05 16:05:38 +00:00
parent 3c08337cc2
commit 0ea8a67c68
1 changed files with 1 additions and 1 deletions
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hledger-lib/Hledger/Data/Dates.hs
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@ -285,7 +285,7 @@ validYear s = length s >= 4 && isJust (readMay s :: Maybe Int)
validMonth s = maybe False (\n -> n>=1 && n<=12) $ readMay s
validDay s = maybe False (\n -> n>=1 && n<=31) $ readMay s
-- failIfInvalidYear, failIfInvalidMonth, failIfInvalidDay :: a
failIfInvalidYear, failIfInvalidMonth, failIfInvalidDay :: (Monad m) => String -> m ()
failIfInvalidYear s = unless (validYear s) $ fail $ "bad year number: " ++ s
failIfInvalidMonth s = unless (validMonth s) $ fail $ "bad month number: " ++ s
failIfInvalidDay s = unless (validDay s) $ fail $ "bad day number: " ++ s