{-# language CPP #-}
{-# language GeneralizedNewtypeDeriving #-}
{-# language TypeFamilies #-}
{-# language UndecidableInstances #-}

{-# options_ghc -Wno-orphans #-}


module Nix.Fresh where

import           Nix.Prelude
import           Control.Monad.Base   ( MonadBase(..) )
import           Control.Monad.Catch  ( MonadCatch
                                      , MonadMask
                                      , MonadThrow
                                      )
import           Control.Monad.Fix    ( MonadFix )
import           Control.Monad.Ref    ( MonadAtomicRef(..)
                                      , MonadRef(Ref)
                                      )

import           Nix.Thunk

newtype FreshIdT i m a = FreshIdT (ReaderT (Ref m i) m a)
  deriving
    ( (forall a b. (a -> b) -> FreshIdT i m a -> FreshIdT i m b)
-> (forall a b. a -> FreshIdT i m b -> FreshIdT i m a)
-> Functor (FreshIdT i m)
forall a b. a -> FreshIdT i m b -> FreshIdT i m a
forall a b. (a -> b) -> FreshIdT i m a -> FreshIdT i m b
forall i (m :: * -> *) a b.
Functor m =>
a -> FreshIdT i m b -> FreshIdT i m a
forall i (m :: * -> *) a b.
Functor m =>
(a -> b) -> FreshIdT i m a -> FreshIdT i m b
forall (f :: * -> *).
(forall a b. (a -> b) -> f a -> f b)
-> (forall a b. a -> f b -> f a) -> Functor f
$cfmap :: forall i (m :: * -> *) a b.
Functor m =>
(a -> b) -> FreshIdT i m a -> FreshIdT i m b
fmap :: forall a b. (a -> b) -> FreshIdT i m a -> FreshIdT i m b
$c<$ :: forall i (m :: * -> *) a b.
Functor m =>
a -> FreshIdT i m b -> FreshIdT i m a
<$ :: forall a b. a -> FreshIdT i m b -> FreshIdT i m a
Functor
    , Functor (FreshIdT i m)
Functor (FreshIdT i m) =>
(forall a. a -> FreshIdT i m a)
-> (forall a b.
    FreshIdT i m (a -> b) -> FreshIdT i m a -> FreshIdT i m b)
-> (forall a b c.
    (a -> b -> c)
    -> FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m c)
-> (forall a b. FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m b)
-> (forall a b. FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m a)
-> Applicative (FreshIdT i m)
forall a. a -> FreshIdT i m a
forall a b. FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m a
forall a b. FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m b
forall a b.
FreshIdT i m (a -> b) -> FreshIdT i m a -> FreshIdT i m b
forall a b c.
(a -> b -> c) -> FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m c
forall i (m :: * -> *). Applicative m => Functor (FreshIdT i m)
forall i (m :: * -> *) a. Applicative m => a -> FreshIdT i m a
forall i (m :: * -> *) a b.
Applicative m =>
FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m a
forall i (m :: * -> *) a b.
Applicative m =>
FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m b
forall i (m :: * -> *) a b.
Applicative m =>
FreshIdT i m (a -> b) -> FreshIdT i m a -> FreshIdT i m b
forall i (m :: * -> *) a b c.
Applicative m =>
(a -> b -> c) -> FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m c
forall (f :: * -> *).
Functor f =>
(forall a. a -> f a)
-> (forall a b. f (a -> b) -> f a -> f b)
-> (forall a b c. (a -> b -> c) -> f a -> f b -> f c)
-> (forall a b. f a -> f b -> f b)
-> (forall a b. f a -> f b -> f a)
-> Applicative f
$cpure :: forall i (m :: * -> *) a. Applicative m => a -> FreshIdT i m a
pure :: forall a. a -> FreshIdT i m a
$c<*> :: forall i (m :: * -> *) a b.
Applicative m =>
FreshIdT i m (a -> b) -> FreshIdT i m a -> FreshIdT i m b
<*> :: forall a b.
FreshIdT i m (a -> b) -> FreshIdT i m a -> FreshIdT i m b
$cliftA2 :: forall i (m :: * -> *) a b c.
Applicative m =>
(a -> b -> c) -> FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m c
liftA2 :: forall a b c.
(a -> b -> c) -> FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m c
$c*> :: forall i (m :: * -> *) a b.
Applicative m =>
FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m b
*> :: forall a b. FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m b
$c<* :: forall i (m :: * -> *) a b.
Applicative m =>
FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m a
<* :: forall a b. FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m a
Applicative
    , Applicative (FreshIdT i m)
Applicative (FreshIdT i m) =>
(forall a. FreshIdT i m a)
-> (forall a. FreshIdT i m a -> FreshIdT i m a -> FreshIdT i m a)
-> (forall a. FreshIdT i m a -> FreshIdT i m [a])
-> (forall a. FreshIdT i m a -> FreshIdT i m [a])
-> Alternative (FreshIdT i m)
forall a. FreshIdT i m a
forall a. FreshIdT i m a -> FreshIdT i m [a]
forall a. FreshIdT i m a -> FreshIdT i m a -> FreshIdT i m a
forall i (m :: * -> *). Alternative m => Applicative (FreshIdT i m)
forall i (m :: * -> *) a. Alternative m => FreshIdT i m a
forall i (m :: * -> *) a.
Alternative m =>
FreshIdT i m a -> FreshIdT i m [a]
forall i (m :: * -> *) a.
Alternative m =>
FreshIdT i m a -> FreshIdT i m a -> FreshIdT i m a
forall (f :: * -> *).
Applicative f =>
(forall a. f a)
-> (forall a. f a -> f a -> f a)
-> (forall a. f a -> f [a])
-> (forall a. f a -> f [a])
-> Alternative f
$cempty :: forall i (m :: * -> *) a. Alternative m => FreshIdT i m a
empty :: forall a. FreshIdT i m a
$c<|> :: forall i (m :: * -> *) a.
Alternative m =>
FreshIdT i m a -> FreshIdT i m a -> FreshIdT i m a
<|> :: forall a. FreshIdT i m a -> FreshIdT i m a -> FreshIdT i m a
$csome :: forall i (m :: * -> *) a.
Alternative m =>
FreshIdT i m a -> FreshIdT i m [a]
some :: forall a. FreshIdT i m a -> FreshIdT i m [a]
$cmany :: forall i (m :: * -> *) a.
Alternative m =>
FreshIdT i m a -> FreshIdT i m [a]
many :: forall a. FreshIdT i m a -> FreshIdT i m [a]
Alternative
    , Applicative (FreshIdT i m)
Applicative (FreshIdT i m) =>
(forall a b.
 FreshIdT i m a -> (a -> FreshIdT i m b) -> FreshIdT i m b)
-> (forall a b. FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m b)
-> (forall a. a -> FreshIdT i m a)
-> Monad (FreshIdT i m)
forall a. a -> FreshIdT i m a
forall a b. FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m b
forall a b.
FreshIdT i m a -> (a -> FreshIdT i m b) -> FreshIdT i m b
forall i (m :: * -> *). Monad m => Applicative (FreshIdT i m)
forall i (m :: * -> *) a. Monad m => a -> FreshIdT i m a
forall i (m :: * -> *) a b.
Monad m =>
FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m b
forall i (m :: * -> *) a b.
Monad m =>
FreshIdT i m a -> (a -> FreshIdT i m b) -> FreshIdT i m b
forall (m :: * -> *).
Applicative m =>
(forall a b. m a -> (a -> m b) -> m b)
-> (forall a b. m a -> m b -> m b)
-> (forall a. a -> m a)
-> Monad m
$c>>= :: forall i (m :: * -> *) a b.
Monad m =>
FreshIdT i m a -> (a -> FreshIdT i m b) -> FreshIdT i m b
>>= :: forall a b.
FreshIdT i m a -> (a -> FreshIdT i m b) -> FreshIdT i m b
$c>> :: forall i (m :: * -> *) a b.
Monad m =>
FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m b
>> :: forall a b. FreshIdT i m a -> FreshIdT i m b -> FreshIdT i m b
$creturn :: forall i (m :: * -> *) a. Monad m => a -> FreshIdT i m a
return :: forall a. a -> FreshIdT i m a
Monad
    , Monad (FreshIdT i m)
Monad (FreshIdT i m) =>
(forall a. String -> FreshIdT i m a) -> MonadFail (FreshIdT i m)
forall a. String -> FreshIdT i m a
forall i (m :: * -> *). MonadFail m => Monad (FreshIdT i m)
forall i (m :: * -> *) a. MonadFail m => String -> FreshIdT i m a
forall (m :: * -> *).
Monad m =>
(forall a. String -> m a) -> MonadFail m
$cfail :: forall i (m :: * -> *) a. MonadFail m => String -> FreshIdT i m a
fail :: forall a. String -> FreshIdT i m a
MonadFail
    , Monad (FreshIdT i m)
Alternative (FreshIdT i m)
(Alternative (FreshIdT i m), Monad (FreshIdT i m)) =>
(forall a. FreshIdT i m a)
-> (forall a. FreshIdT i m a -> FreshIdT i m a -> FreshIdT i m a)
-> MonadPlus (FreshIdT i m)
forall a. FreshIdT i m a
forall a. FreshIdT i m a -> FreshIdT i m a -> FreshIdT i m a
forall i (m :: * -> *). MonadPlus m => Monad (FreshIdT i m)
forall i (m :: * -> *). MonadPlus m => Alternative (FreshIdT i m)
forall i (m :: * -> *) a. MonadPlus m => FreshIdT i m a
forall i (m :: * -> *) a.
MonadPlus m =>
FreshIdT i m a -> FreshIdT i m a -> FreshIdT i m a
forall (m :: * -> *).
(Alternative m, Monad m) =>
(forall a. m a) -> (forall a. m a -> m a -> m a) -> MonadPlus m
$cmzero :: forall i (m :: * -> *) a. MonadPlus m => FreshIdT i m a
mzero :: forall a. FreshIdT i m a
$cmplus :: forall i (m :: * -> *) a.
MonadPlus m =>
FreshIdT i m a -> FreshIdT i m a -> FreshIdT i m a
mplus :: forall a. FreshIdT i m a -> FreshIdT i m a -> FreshIdT i m a
MonadPlus
    , Monad (FreshIdT i m)
Monad (FreshIdT i m) =>
(forall a. (a -> FreshIdT i m a) -> FreshIdT i m a)
-> MonadFix (FreshIdT i m)
forall a. (a -> FreshIdT i m a) -> FreshIdT i m a
forall i (m :: * -> *). MonadFix m => Monad (FreshIdT i m)
forall i (m :: * -> *) a.
MonadFix m =>
(a -> FreshIdT i m a) -> FreshIdT i m a
forall (m :: * -> *).
Monad m =>
(forall a. (a -> m a) -> m a) -> MonadFix m
$cmfix :: forall i (m :: * -> *) a.
MonadFix m =>
(a -> FreshIdT i m a) -> FreshIdT i m a
mfix :: forall a. (a -> FreshIdT i m a) -> FreshIdT i m a
MonadFix
    , Monad (FreshIdT i m)
Monad (FreshIdT i m) =>
(forall a. a -> FreshIdT i m (Ref (FreshIdT i m) a))
-> (forall a. Ref (FreshIdT i m) a -> FreshIdT i m a)
-> (forall a. Ref (FreshIdT i m) a -> a -> FreshIdT i m ())
-> (forall a. Ref (FreshIdT i m) a -> (a -> a) -> FreshIdT i m ())
-> (forall a. Ref (FreshIdT i m) a -> (a -> a) -> FreshIdT i m ())
-> MonadRef (FreshIdT i m)
forall a. a -> FreshIdT i m (Ref (FreshIdT i m) a)
forall a. Ref (FreshIdT i m) a -> FreshIdT i m a
forall a. Ref (FreshIdT i m) a -> a -> FreshIdT i m ()
forall a. Ref (FreshIdT i m) a -> (a -> a) -> FreshIdT i m ()
forall i (m :: * -> *). MonadRef m => Monad (FreshIdT i m)
forall i (m :: * -> *) a.
MonadRef m =>
a -> FreshIdT i m (Ref (FreshIdT i m) a)
forall i (m :: * -> *) a.
MonadRef m =>
Ref (FreshIdT i m) a -> FreshIdT i m a
forall i (m :: * -> *) a.
MonadRef m =>
Ref (FreshIdT i m) a -> a -> FreshIdT i m ()
forall i (m :: * -> *) a.
MonadRef m =>
Ref (FreshIdT i m) a -> (a -> a) -> FreshIdT i m ()
forall (m :: * -> *).
Monad m =>
(forall a. a -> m (Ref m a))
-> (forall a. Ref m a -> m a)
-> (forall a. Ref m a -> a -> m ())
-> (forall a. Ref m a -> (a -> a) -> m ())
-> (forall a. Ref m a -> (a -> a) -> m ())
-> MonadRef m
$cnewRef :: forall i (m :: * -> *) a.
MonadRef m =>
a -> FreshIdT i m (Ref (FreshIdT i m) a)
newRef :: forall a. a -> FreshIdT i m (Ref (FreshIdT i m) a)
$creadRef :: forall i (m :: * -> *) a.
MonadRef m =>
Ref (FreshIdT i m) a -> FreshIdT i m a
readRef :: forall a. Ref (FreshIdT i m) a -> FreshIdT i m a
$cwriteRef :: forall i (m :: * -> *) a.
MonadRef m =>
Ref (FreshIdT i m) a -> a -> FreshIdT i m ()
writeRef :: forall a. Ref (FreshIdT i m) a -> a -> FreshIdT i m ()
$cmodifyRef :: forall i (m :: * -> *) a.
MonadRef m =>
Ref (FreshIdT i m) a -> (a -> a) -> FreshIdT i m ()
modifyRef :: forall a. Ref (FreshIdT i m) a -> (a -> a) -> FreshIdT i m ()
$cmodifyRef' :: forall i (m :: * -> *) a.
MonadRef m =>
Ref (FreshIdT i m) a -> (a -> a) -> FreshIdT i m ()
modifyRef' :: forall a. Ref (FreshIdT i m) a -> (a -> a) -> FreshIdT i m ()
MonadRef
    , MonadRef (FreshIdT i m)
MonadRef (FreshIdT i m) =>
(forall a b.
 Ref (FreshIdT i m) a -> (a -> (a, b)) -> FreshIdT i m b)
-> (forall a b.
    Ref (FreshIdT i m) a -> (a -> (a, b)) -> FreshIdT i m b)
-> MonadAtomicRef (FreshIdT i m)
forall a b. Ref (FreshIdT i m) a -> (a -> (a, b)) -> FreshIdT i m b
forall i (m :: * -> *). MonadAtomicRef m => MonadRef (FreshIdT i m)
forall i (m :: * -> *) a b.
MonadAtomicRef m =>
Ref (FreshIdT i m) a -> (a -> (a, b)) -> FreshIdT i m b
forall (m :: * -> *).
MonadRef m =>
(forall a b. Ref m a -> (a -> (a, b)) -> m b)
-> (forall a b. Ref m a -> (a -> (a, b)) -> m b)
-> MonadAtomicRef m
$catomicModifyRef :: forall i (m :: * -> *) a b.
MonadAtomicRef m =>
Ref (FreshIdT i m) a -> (a -> (a, b)) -> FreshIdT i m b
atomicModifyRef :: forall a b. Ref (FreshIdT i m) a -> (a -> (a, b)) -> FreshIdT i m b
$catomicModifyRef' :: forall i (m :: * -> *) a b.
MonadAtomicRef m =>
Ref (FreshIdT i m) a -> (a -> (a, b)) -> FreshIdT i m b
atomicModifyRef' :: forall a b. Ref (FreshIdT i m) a -> (a -> (a, b)) -> FreshIdT i m b
MonadAtomicRef
    , Monad (FreshIdT i m)
Monad (FreshIdT i m) =>
(forall a. IO a -> FreshIdT i m a) -> MonadIO (FreshIdT i m)
forall a. IO a -> FreshIdT i m a
forall i (m :: * -> *). MonadIO m => Monad (FreshIdT i m)
forall i (m :: * -> *) a. MonadIO m => IO a -> FreshIdT i m a
forall (m :: * -> *).
Monad m =>
(forall a. IO a -> m a) -> MonadIO m
$cliftIO :: forall i (m :: * -> *) a. MonadIO m => IO a -> FreshIdT i m a
liftIO :: forall a. IO a -> FreshIdT i m a
MonadIO
    , MonadThrow (FreshIdT i m)
MonadThrow (FreshIdT i m) =>
(forall e a.
 (HasCallStack, Exception e) =>
 FreshIdT i m a -> (e -> FreshIdT i m a) -> FreshIdT i m a)
-> MonadCatch (FreshIdT i m)
forall e a.
(HasCallStack, Exception e) =>
FreshIdT i m a -> (e -> FreshIdT i m a) -> FreshIdT i m a
forall i (m :: * -> *). MonadCatch m => MonadThrow (FreshIdT i m)
forall i (m :: * -> *) e a.
(MonadCatch m, HasCallStack, Exception e) =>
FreshIdT i m a -> (e -> FreshIdT i m a) -> FreshIdT i m a
forall (m :: * -> *).
MonadThrow m =>
(forall e a.
 (HasCallStack, Exception e) =>
 m a -> (e -> m a) -> m a)
-> MonadCatch m
$ccatch :: forall i (m :: * -> *) e a.
(MonadCatch m, HasCallStack, Exception e) =>
FreshIdT i m a -> (e -> FreshIdT i m a) -> FreshIdT i m a
catch :: forall e a.
(HasCallStack, Exception e) =>
FreshIdT i m a -> (e -> FreshIdT i m a) -> FreshIdT i m a
MonadCatch
    , Monad (FreshIdT i m)
Monad (FreshIdT i m) =>
(forall e a. (HasCallStack, Exception e) => e -> FreshIdT i m a)
-> MonadThrow (FreshIdT i m)
forall e a. (HasCallStack, Exception e) => e -> FreshIdT i m a
forall i (m :: * -> *). MonadThrow m => Monad (FreshIdT i m)
forall i (m :: * -> *) e a.
(MonadThrow m, HasCallStack, Exception e) =>
e -> FreshIdT i m a
forall (m :: * -> *).
Monad m =>
(forall e a. (HasCallStack, Exception e) => e -> m a)
-> MonadThrow m
$cthrowM :: forall i (m :: * -> *) e a.
(MonadThrow m, HasCallStack, Exception e) =>
e -> FreshIdT i m a
throwM :: forall e a. (HasCallStack, Exception e) => e -> FreshIdT i m a
MonadThrow
    , MonadCatch (FreshIdT i m)
MonadCatch (FreshIdT i m) =>
(forall b.
 HasCallStack =>
 ((forall a. FreshIdT i m a -> FreshIdT i m a) -> FreshIdT i m b)
 -> FreshIdT i m b)
-> (forall b.
    HasCallStack =>
    ((forall a. FreshIdT i m a -> FreshIdT i m a) -> FreshIdT i m b)
    -> FreshIdT i m b)
-> (forall a b c.
    HasCallStack =>
    FreshIdT i m a
    -> (a -> ExitCase b -> FreshIdT i m c)
    -> (a -> FreshIdT i m b)
    -> FreshIdT i m (b, c))
-> MonadMask (FreshIdT i m)
forall b.
HasCallStack =>
((forall a. FreshIdT i m a -> FreshIdT i m a) -> FreshIdT i m b)
-> FreshIdT i m b
forall a b c.
HasCallStack =>
FreshIdT i m a
-> (a -> ExitCase b -> FreshIdT i m c)
-> (a -> FreshIdT i m b)
-> FreshIdT i m (b, c)
forall i (m :: * -> *). MonadMask m => MonadCatch (FreshIdT i m)
forall i (m :: * -> *) b.
(MonadMask m, HasCallStack) =>
((forall a. FreshIdT i m a -> FreshIdT i m a) -> FreshIdT i m b)
-> FreshIdT i m b
forall i (m :: * -> *) a b c.
(MonadMask m, HasCallStack) =>
FreshIdT i m a
-> (a -> ExitCase b -> FreshIdT i m c)
-> (a -> FreshIdT i m b)
-> FreshIdT i m (b, c)
forall (m :: * -> *).
MonadCatch m =>
(forall b. HasCallStack => ((forall a. m a -> m a) -> m b) -> m b)
-> (forall b.
    HasCallStack =>
    ((forall a. m a -> m a) -> m b) -> m b)
-> (forall a b c.
    HasCallStack =>
    m a -> (a -> ExitCase b -> m c) -> (a -> m b) -> m (b, c))
-> MonadMask m
$cmask :: forall i (m :: * -> *) b.
(MonadMask m, HasCallStack) =>
((forall a. FreshIdT i m a -> FreshIdT i m a) -> FreshIdT i m b)
-> FreshIdT i m b
mask :: forall b.
HasCallStack =>
((forall a. FreshIdT i m a -> FreshIdT i m a) -> FreshIdT i m b)
-> FreshIdT i m b
$cuninterruptibleMask :: forall i (m :: * -> *) b.
(MonadMask m, HasCallStack) =>
((forall a. FreshIdT i m a -> FreshIdT i m a) -> FreshIdT i m b)
-> FreshIdT i m b
uninterruptibleMask :: forall b.
HasCallStack =>
((forall a. FreshIdT i m a -> FreshIdT i m a) -> FreshIdT i m b)
-> FreshIdT i m b
$cgeneralBracket :: forall i (m :: * -> *) a b c.
(MonadMask m, HasCallStack) =>
FreshIdT i m a
-> (a -> ExitCase b -> FreshIdT i m c)
-> (a -> FreshIdT i m b)
-> FreshIdT i m (b, c)
generalBracket :: forall a b c.
HasCallStack =>
FreshIdT i m a
-> (a -> ExitCase b -> FreshIdT i m c)
-> (a -> FreshIdT i m b)
-> FreshIdT i m (b, c)
MonadMask
    )

instance MonadTrans (FreshIdT i) where
  lift :: forall (m :: * -> *) a. Monad m => m a -> FreshIdT i m a
lift = ReaderT (Ref m i) m a -> FreshIdT i m a
forall i (m :: * -> *) a. ReaderT (Ref m i) m a -> FreshIdT i m a
FreshIdT (ReaderT (Ref m i) m a -> FreshIdT i m a)
-> (m a -> ReaderT (Ref m i) m a) -> m a -> FreshIdT i m a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. m a -> ReaderT (Ref m i) m a
forall (m :: * -> *) a. Monad m => m a -> ReaderT (Ref m i) m a
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift

instance MonadBase b m => MonadBase b (FreshIdT i m) where
  liftBase :: forall α. b α -> FreshIdT i m α
liftBase = ReaderT (Ref m i) m α -> FreshIdT i m α
forall i (m :: * -> *) a. ReaderT (Ref m i) m a -> FreshIdT i m a
FreshIdT (ReaderT (Ref m i) m α -> FreshIdT i m α)
-> (b α -> ReaderT (Ref m i) m α) -> b α -> FreshIdT i m α
forall b c a. (b -> c) -> (a -> b) -> a -> c
. b α -> ReaderT (Ref m i) m α
forall α. b α -> ReaderT (Ref m i) m α
forall (b :: * -> *) (m :: * -> *) α. MonadBase b m => b α -> m α
liftBase

instance
  ( MonadAtomicRef m
  , Eq i
  , Ord i
  , Show i
  , Enum i
  , Typeable i
  )
  => MonadThunkId (FreshIdT i m)
 where
  type ThunkId (FreshIdT i m) = i
  freshId :: FreshIdT i m (ThunkId (FreshIdT i m))
freshId = ReaderT (Ref m i) m (ThunkId (FreshIdT i m))
-> FreshIdT i m (ThunkId (FreshIdT i m))
forall i (m :: * -> *) a. ReaderT (Ref m i) m a -> FreshIdT i m a
FreshIdT (ReaderT (Ref m i) m (ThunkId (FreshIdT i m))
 -> FreshIdT i m (ThunkId (FreshIdT i m)))
-> ReaderT (Ref m i) m (ThunkId (FreshIdT i m))
-> FreshIdT i m (ThunkId (FreshIdT i m))
forall a b. (a -> b) -> a -> b
$ do
    Ref m i
v <- ReaderT (Ref m i) m (Ref m i)
forall r (m :: * -> *). MonadReader r m => m r
ask
    Ref (ReaderT (Ref m i) m) i
-> (i -> (i, i)) -> ReaderT (Ref m i) m i
forall a b.
Ref (ReaderT (Ref m i) m) a
-> (a -> (a, b)) -> ReaderT (Ref m i) m b
forall (m :: * -> *) a b.
MonadAtomicRef m =>
Ref m a -> (a -> (a, b)) -> m b
atomicModifyRef Ref m i
Ref (ReaderT (Ref m i) m) i
v (\i
i -> (i -> i
forall a. Enum a => a -> a
succ i
i, i
i))

runFreshIdT :: Functor m => FreshIdT i m a -> Ref m i -> m a
runFreshIdT :: forall (m :: * -> *) i a.
Functor m =>
FreshIdT i m a -> Ref m i -> m a
runFreshIdT = ReaderT (Ref m i) m a -> Ref m i -> m a
forall r (m :: * -> *) a. ReaderT r m a -> r -> m a
runReaderT (ReaderT (Ref m i) m a -> Ref m i -> m a)
-> (FreshIdT i m a -> ReaderT (Ref m i) m a)
-> FreshIdT i m a
-> Ref m i
-> m a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. FreshIdT i m a -> ReaderT (Ref m i) m a
forall a b. Coercible a b => a -> b
coerce