blob: 58ccca7a5e855fafd95532fdfce5c63753b1d551 (
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
27
|
{-# LANGUAGE ImplicitParams #-}
-- !!! Another implicit parameter test, from Alastair Reid
module ShouldCompile where
import Data.Maybe
type Env = ([(String,Int)],Int)
ident1 :: (?env :: Env) => String -> Int
ident1 x = y
where
env = ?env
y = fromJust (lookup x (fst env))
ident2 :: (?env :: Env) => String -> Int
ident2 x = y
where
y = fromJust (lookup x (fst ?env))
-- Two more tests from Jeff Lewis
x () = y where y = ?wibble
f () = ?wibble :: Int
g () = f ()
|
