RE: strange difference between old and hierachical module names

Ah yes.  That's been there since I did the Big Commit (nothing to do
with the recent fix).  Thanks for finding it -- now fixed.

Simon

| -----Original Message-----
| From: glasgow-haskell-bugs-bounces@xxxxxxxxxxx
[mailto:glasgow-haskell-bugs-
| bounces@xxxxxxxxxxx] On Behalf Of Ralf.Laemmel@xxxxxx
| Sent: 03 November 2003 19:18
| To: Simon Peyton-Jones
| Cc: glasgow-haskell-bugs@xxxxxxxxxxx
| Subject: RE: strange difference between old and hierachical module
names
| 
| SPJ wrote:
| 
| > Good bug report.  Now fixed in the HEAD>
| 
| Thanks, but there is now a more serious problem;
| could be a consequence of the fix.
| See below a little test file Main.hs and the
| ghci session for this file using HEAD updated
| just after your fix.
| 
| Thanks,
| Ralf
| 
| 
| [ralf@localhost test]$ more Main.hs
| module Main where
| 
| main = print True
| 
| [ralf@localhost test]$
|
/home/ralf/cvsprojects/cvs.haskell.org/fptools/ghc/compiler/stage2/ghc-i
nplace
| --interactive -fglasgow-exts -fallow-overlapping-instances
| -fallow-undecidable-instances -package data Main.hs
|    ___         ___ _
|   / _ \ /\  /\/ __(_)
|  / /_\// /_/ / /  | |      GHC Interactive, version 6.3, for Haskell
98.
| / /_\\/ __  / /___| |      http://www.haskell.org/ghc/
| \____/\/ /_/\____/|_|      Type :? for help.
| 
| Loading package base ... linking ... done.
| Loading package haskell98 ... linking ... done.
| Loading package lang ... linking ... done.
| Loading package concurrent ... linking ... done.
| Loading package QuickCheck ... linking ... done.
| Loading package readline ... linking ... done.
| Loading package unix ... linking ... done.
| Loading package posix ... linking ... done.
| Loading package util ... linking ... done.
| Loading package data ... linking ... done.
| Compiling Main             ( Main.hs, interpreted )
| Ok, modules loaded: Main.
| *Main> main
| 
| <interactive>:1: Variable not in scope: `main'
| *Main>
| 
| In fact, it seems, nothing is in the scope anymore.
| 
| >
| >
| > | -----Original Message-----
| > | From: glasgow-haskell-bugs-bounces@xxxxxxxxxxx
| > [mailto:glasgow-haskell-bugs-
| > | bounces@xxxxxxxxxxx] On Behalf Of Ralf Laemmel
| > | Sent: 03 November 2003 11:10
| > | To: glasgow-haskell-bugs@xxxxxxxxxxx
| > | Subject: strange difference between old and hierachical module
names |
| >
| > | Hi,
| > |
| > | I am trying to compile some modules with old imports
| > | such "import MonadFix". These modules compile fine
| > | with GHC 6.0 latest RPM, and also on CVS source tree
| > | 6.1 somewhere from july.
| > |
| > | However, the file below does NOT get through with GHC HEAD.
| > | I get ...
| > |
| > | > Compiling Foo              ( Foo.hs, interpreted )
| > | >
| > | > Foo.hs:13: `mfix' is not a (visible) method of class `MonadFix'
| >
| > Failed, modules loaded: none.
| > |
| > | If I use the new "import Control.Monad.Fix" instead of MonadFix, |
| > everything works fine. This is a bit strange because
| > | for most old imports there is no such problem.
| > | Seems to be something special going on with MonadFix.
| > |
| > | Thanks,
| > | Ralf
| > |
| > |
| > |
| > | ---------------------------------------------------------------- |
| > | module Foo where
| > |
| > | -- Does not work 6.3 as 2 Nov 2003
| > | import MonadFix
| > | -- Works with 6.3
| > | -- import Control.Monad.Fix
| > |
| > | data Foo a = Foo a
| > |
| > | instance Monad Foo
| > |
| > | instance MonadFix Foo where
| > |          mfix = undefined
| > |
| > | _______________________________________________
| > | Glasgow-haskell-bugs mailing list
| > | Glasgow-haskell-bugs@xxxxxxxxxxx
| > | http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
| 
| 
| 
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