MVar# s a -> a -> State# s -> (# State# s, Int# #)
with
strictness = { \ arity -> StrictnessInfo [wwPrim, wwLazy, wwPrim] False }
MVar# s a -> a -> State# s -> (# State# s, Int# #)
with
strictness = { \ arity -> StrictnessInfo [wwPrim, wwLazy, wwPrim] False }