[Haskell-cafe] Mutual recursive modules with GHC: Classes, instances

[Simon Peyton-Jones]

I'm afraid so, as of today.  It's the kind of thing that could get fixed
if enough people wanted it, but at the moment it's pretty low on the
list.

Simon

| -----Original Message-----
| From: haskell-cafe-bounces at haskell.org
[mailto:haskell-cafe-bounces at haskell.org] On Behalf Of
| Henning Thielemann
| Sent: 04 May 2005 10:31
| To: Simon Peyton-Jones
| Cc: Haskell Cafe
| Subject: RE: [Haskell-cafe] Mutual recursive modules with GHC:
Classes,instances
| 
| 
| On Wed, 4 May 2005, Simon Peyton-Jones wrote:
| 
| > hi-boot files can't contain class declarations.  This should be
checked,
| > but isn't, hence puzzling message.
| >
| > GHC 6.4 has a better setup.   Actually, it still doesn't check for
| > absence of class decls, but it will shortly.
| 
| This means it is impossible to declare mutually dependent classes
where
| each class resides in a separate module?
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