Improve error message in deriving( Functor )
[ghc.git] / testsuite / tests / typecheck / should_fail / tcfail070.hs
1 {-
2 From: Wolfgang Drotschmann <drotschm@athene.informatik.uni-bonn.de>
3 Resent-Date: Thu, 15 May 1997 17:23:09 +0100
4
5 I'm still using the old ghc-2.01. In one program I ran into a problem
6 I couldn't fix. But I played around with it, I found a small little
7 script which reproduces it very well:
8
9 panic! (the `impossible' happened):
10 tlist
11 -}
12
13 module TcFail where
14
15 type State = ([Int] Bool)
16