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Diffstat (limited to 'src/compiler/GF/Data/Utilities.hs')
| -rw-r--r-- | src/compiler/GF/Data/Utilities.hs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/compiler/GF/Data/Utilities.hs b/src/compiler/GF/Data/Utilities.hs index 792f7aa4a..eac315508 100644 --- a/src/compiler/GF/Data/Utilities.hs +++ b/src/compiler/GF/Data/Utilities.hs @@ -16,7 +16,7 @@ module GF.Data.Utilities(module GF.Data.Utilities, module PGF.Utilities) where import Data.Maybe import Data.List -import Control.Monad (MonadPlus(..),liftM) +import Control.Monad (MonadPlus(..),liftM,when) import PGF.Utilities -- * functions on lists @@ -136,6 +136,10 @@ mapBoth = map . apBoth whenMP :: MonadPlus m => Bool -> a -> m a whenMP b x = if b then return x else mzero +whenM bm m = flip when m =<< bm + +repeatM m = whenM m (repeatM m) + -- * functions on Maybes -- | Returns true if the argument is Nothing or Just [] |