MonadRandom 0.4.1 → 0.4.2

raw patch · 3 files changed

+12/−3 lines, 3 filesPVP ok

version bump matches the API change (PVP)

API changes (from Hackage documentation)

Files

• CHANGES.markdown +5/−0
• Control/Monad/Random.hs +6/−2
• MonadRandom.cabal +1/−1

@@ -1,3 +1,8 @@+0.4.2 (16 January 2016)+-----------------------++  - Add `MonadPlus` and `Alternative` instances for `RandT`.+ 0.4.1 (20 November 2015) ------------------------ 

@@ -72,11 +72,15 @@ -- | A monad transformer which adds a random number generator to an -- existing monad. newtype RandT g m a = RandT (StateT g m a)-    deriving (Functor, Monad, MonadTrans, MonadIO, MonadFix, MonadReader r, MonadWriter w)+    deriving (Functor, Monad, MonadPlus, MonadTrans, MonadIO, MonadFix, MonadReader r, MonadWriter w) -instance (Functor m,Monad m) => Applicative (RandT g m) where+instance (Functor m, Monad m) => Applicative (RandT g m) where   pure = return   (<*>) = ap++instance (Functor m, MonadPlus m) => Alternative (RandT g m) where+  empty = mzero+  (<|>) = mplus  -- | Lift arbitrary action to RandT liftRandT :: (g -> m (a, g)) -- ^ action returning value and new generator state

@@ -1,5 +1,5 @@ name:                MonadRandom-version:             0.4.1+version:             0.4.2 synopsis:            Random-number generation monad. description:         Support for computations which consume random values. license:             OtherLicense