blob: 7c87742ba6bfa151c020f993a088d05f04ff54d8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
{-# LANGUAGE DeriveDataTypeable #-}
-- See #1033
module Pointful' where
import Data.Generics
import Control.Monad.State
data HsExp = HsWildCard deriving( Typeable, Data )
data HsName = HsName deriving( Typeable, Data )
-- rename :: () -> HsExp -> State (HsName, [HsName]) HsExp
-- Type sig commented out
rename1 = \_ -> everywhereM (mkM (\e -> case e of HsWildCard -> return e))
rename2 _ = everywhereM (mkM (\e -> case e of HsWildCard -> return e))
uncomb1 :: State (HsName, [HsName]) HsExp
uncomb1 = rename1 () undefined
uncomb2 :: State (HsName, [HsName]) HsExp
uncomb2 = rename2 () undefined
|
