53 lines
1.8 KiB
Haskell
53 lines
1.8 KiB
Haskell
-- ghc-mod: Making Haskell development *more* fun
|
|
-- Copyright (C) 2015,2016 Daniel Gröber <dxld ÄT darkboxed DOT org>
|
|
--
|
|
-- This program is free software: you can redistribute it and/or modify
|
|
-- it under the terms of the GNU Affero General Public License as published by
|
|
-- the Free Software Foundation, either version 3 of the License, or
|
|
-- (at your option) any later version.
|
|
--
|
|
-- This program is distributed in the hope that it will be useful,
|
|
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
-- GNU Affero General Public License for more details.
|
|
--
|
|
-- You should have received a copy of the GNU Affero General Public License
|
|
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
{-# LANGUAGE GeneralizedNewtypeDeriving, StandaloneDeriving #-}
|
|
{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses, UndecidableInstances #-}
|
|
|
|
module Language.Haskell.GhcMod.Monad.Out where
|
|
|
|
import Language.Haskell.GhcMod.Types
|
|
import Language.Haskell.GhcMod.Monad.Newtypes
|
|
|
|
import Control.Monad
|
|
import Control.Monad.State.Strict (StateT(..))
|
|
import Control.Monad.Trans.Journal (JournalT)
|
|
import Control.Monad.Trans.Maybe (MaybeT(..))
|
|
import Control.Monad.Reader.Class
|
|
import Control.Monad.Trans.Class (MonadTrans(..))
|
|
import Prelude
|
|
|
|
class Monad m => GmOut m where
|
|
gmoAsk :: m GhcModOut
|
|
|
|
instance Monad m => GmOut (GmOutT m) where
|
|
gmoAsk = GmOutT ask
|
|
|
|
instance Monad m => GmOut (GmlT m) where
|
|
gmoAsk = GmlT $ lift $ GmOutT ask
|
|
|
|
instance GmOut m => GmOut (GmT m) where
|
|
gmoAsk = lift gmoAsk
|
|
|
|
instance GmOut m => GmOut (StateT s m) where
|
|
gmoAsk = lift gmoAsk
|
|
|
|
instance GmOut m => GmOut (JournalT w m) where
|
|
gmoAsk = lift gmoAsk
|
|
|
|
instance GmOut m => GmOut (MaybeT m) where
|
|
gmoAsk = lift gmoAsk
|