What's the status of this bug? I'd like to know when it's safe to upgrade to a new ghc. Also, I want to blog about my linear map implementation, but not when it tickles a ghc bug for me and for readers.
Thanks, - Conal 2008/9/25 Simon Peyton-Jones <[EMAIL PROTECTED]> > Conal, Marc > > This is definitely a bug in the new equality-solving mechanism. I can > reproduce it readily. I'll discuss it with Manuel tomorrow and get back to > you. Thanks for finding it! > > Simon > > | -----Original Message----- > | From: [EMAIL PROTECTED] [mailto: > glasgow-haskell-bugs- > | [EMAIL PROTECTED] On Behalf Of Marc Weber > | Sent: 25 September 2008 01:50 > | To: [email protected] > | Subject: Re: TypeCompose Patch > | > | On Wed, Sep 24, 2008 at 02:55:01PM -0700, Conal Elliott wrote: > | > Eep! That code (which uses type classes) fails to compile under > 6.8.3 > | but > | > does compile under 6.9. Looks like 6.10 broke something. > | > > | > Can anyone else check whether vector-space build or breaks under > 6.10? > | > The repo is > | > > | > [1]http://code.haskell.org/vector-space/ > | > | src/Data/LinearMap.hs|37 col 21 error| > | || Couldn't match expected type `t' against inferred type `Basis u' > | || In the second argument of `(.)', namely `basisValue' > | || In the first argument of `trie', namely `(f . basisValue)' > | || In the expression: trie (f . basisValue) > | > | Hi Conal, I'm getting the error above (current ghc from darcs) > | If you want I can give you an ssh account where this ghc version is > | installed within the next days. > | > | I also had to add a -fglasgow-exts to a MemoTrie file.. > | (Not sure which is the correct language extension which was missing) > | > | Sincerly > | Marc Weber > | _______________________________________________ > | Glasgow-haskell-bugs mailing list > | [email protected] > | http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs > > > _______________________________________________ > Glasgow-haskell-bugs mailing list > [email protected] > http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs > >
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