ghci `Probable fix' non-exhaustive pattern exception

[Simon Peyton-Jones]

Good bug report.  Fixed!

Simon

| -----Original Message-----
| From: glasgow-haskell-bugs-bounces at haskell.org
[mailto:glasgow-haskell-bugs-
| bounces at haskell.org] On Behalf Of Remi Turk
| Sent: 20 February 2005 18:12
| To: glasgow-haskell-bugs at haskell.org
| Subject: ghci `Probable fix' non-exhaustive pattern exception
| 
| Good evening,
| 
| the following says it all:
| 
| ~% /var/tmp/ghc/bin/ghci /tmp/foo.hs
|    ___         ___ _
|   / _ \ /\  /\/ __(_)
|  / /_\// /_/ / /  | |      GHC Interactive, version 6.4.20050215, for
Haskell 98.
| / /_\\/ __  / /___| |      http://www.haskell.org/ghc/
| \____/\/ /_/\____/|_|      Type :? for help.
| 
| Loading package base-1.0 ... linking ... done.
| Compiling Main             ( /tmp/foo.hs, interpreted )
| 
| /tmp/foo.hs:64:6:
|     No instance for (Show c)
|       arising from use of `show' at /tmp/foo.hs:64:6-9
|     Probable fix:*** Exception: typecheck/TcSimplify.lhs:2389:8-82:
Non-exhaustive patterns in
| function add_ors
| 
| >
| 
| 
| The "work-in-progress" source causing it is attached.
| 
| Happy hacking,
| Remi
| 
| --
| Nobody can be exactly like me. Even I have trouble doing it.