YES 0.406
↳ HASKELL
↳ BR
((mzero :: [a]) :: [a]) |
import qualified Maybe import qualified Prelude |
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class Monad a => MonadPlus a where
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instance MonadPlus Maybe where instance MonadPlus [] where
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import qualified Monad import qualified Prelude |
↳ HASKELL
↳ BR
↳ HASKELL
↳ COR
((mzero :: [a]) :: [a]) |
import qualified Monad import qualified Prelude |
import qualified Maybe import qualified Prelude |
||||||||
class Monad a => MonadPlus a where
|
||||||||
instance MonadPlus Maybe where instance MonadPlus [] where
|
undefined
| False
= undefined
undefined = undefined1
undefined0 True = undefined
undefined1 = undefined0 False
↳ HASKELL
↳ BR
↳ HASKELL
↳ COR
↳ HASKELL
↳ Narrow
(mzero :: [a]) |
import qualified Maybe import qualified Prelude |
||||||||
class Monad a => MonadPlus a where
|
||||||||
instance MonadPlus Maybe where instance MonadPlus [] where
|
import qualified Monad import qualified Prelude |