This embarrassing bug in GHC 6.0 has been reported several times now.
There's a good workaround: just say
:t GHC.Err.error
as your first command in GHCi. Then it'll be happy with your subsequent
definition.
Simon
| -----Original Message-----
| From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On
| Behalf Of Hal Daume III
| Sent: 11 June 2003 23:56
| To: [EMAIL PROTECTED]
| Subject: bug with definition at top-level:
|
| 3:54pm moussor:handalign/ ghci
| ___ ___ _
| / _ \ /\ /\/ __(_)
| / /_\// /_/ / / | | GHC Interactive, version 6.0, for Haskell
98.
| / /_\\/ __ / /___| | http://www.haskell.org/ghc/
| \____/\/ /_/\____/|_| Type :? for help.
|
| Loading package base ... linking ... done.
| Loading package lang ... linking ... done.
| Prelude> let f s = let (p1:_:p2:_:r1:_:f2:_) = map read (words s) in
show
| ((2*p1*r1)/(p1+r1)) ++ " & " ++ show ((2*p2*f2)/(p2+f2))
| ghc-6.0: panic! (the `impossible' happened, GHC version 6.0):
| getLinkDeps No iface for [<pkg>]GHCziErr
|
| Please report it as a compiler bug to
[EMAIL PROTECTED],
| or http://sourceforge.net/projects/ghc/.
|
|
|
| --
| Hal Daume III | [EMAIL PROTECTED]
| "Arrest this man, he talks in maths." | www.isi.edu/~hdaume
|
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