blob: bc58315f507b94886dca44c5da6cdda2e2437def (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
{-# LANGUAGE Arrows #-}
module ShouldCompile where
import Control.Arrow
h :: ArrowChoice a => Int -> a (Int,Int) Int
h x = proc (y,z) -> case compare x y of
LT -> returnA -< x
EQ -> returnA -< y+z
GT -> returnA -< z+x
g :: ArrowChoice a => Int -> a (Int,Int) Int
g x = proc (y,z) -> (case compare x y of
LT -> \ a -> returnA -< x+a
EQ -> \ b -> returnA -< y+z+b
GT -> \ c -> returnA -< z+x
) 1
|
