Hoogle Search
Within LTS Haskell 24.21 (ghc-9.10.3)
Note that Stackage only displays results for the latest LTS and Nightly snapshot. Learn more.
maybeLast :: a -> Mealy (Maybe a) amealy Data.Mealy most recent value if it exists, previous value otherwise.
-
melf Control.Exception.ChainedException $maybeAddContext results in a function of type 'maybeAddContext :: MonadThrow m => String -> Maybe a -> m a'. If its second argument is Nothing, it throws ChainedException with its first argument, else it returns the value of Just.
-
melf Control.Exception.ChainedException $maybeAddContext' is the same as $maybeAddContext ""
maybeToExceptT :: forall (m :: Type -> Type) e a . Functor m => e -> MaybeT m a -> ExceptT e m amonadology Control.Monad.Ology.Specific.MaybeT Convert a MaybeT computation to ExceptT, with a default exception value.
maybeToM :: MonadFail m => String -> Maybe a -> m amonadology Control.Monad.Ology.Specific.Result No documentation available.
maybeCabal :: MonadIO io => Directory -> io (Maybe BuildTool)nvim-hs-contrib Neovim.BuildTool Check if the directory contains a cabal file and return Just (Cabal Plain) if present.
maybeCabalSandbox :: MonadIO io => Directory -> io (Maybe BuildTool)nvim-hs-contrib Neovim.BuildTool Check if the directory contains a cabal.sandbox.config file and return Just (Cabal Sandbox) in that case.
maybeStack :: MonadIO io => Directory -> io (Maybe BuildTool)nvim-hs-contrib Neovim.BuildTool Check if directory contains a stack.yaml file and return Just Stack in this case.
maybePluginConfig :: MonadIO io => Directory -> io (Maybe BuildTool)nvim-hs-ghcid Neovim.Ghcid.Plugin No documentation available.
maybeToNullable :: Maybe (Field a) -> FieldNullable aopaleye Opaleye.Field If the argument is Nothing return NULL otherwise return the provided value coerced to a nullable type.