Proposals and owners

Simon Marlow marlowsd at
Fri Jul 31 10:20:02 EDT 2009

On 31/07/2009 14:51, Neil Mitchell wrote:
> Hi
>>>   >  remove FixityResolution from the context-free grammar
>> Please take a look and comment.  This fixes a nasty bug in the Haskell
>> syntax - albeit one that doesn't cause problems in practice, but still.  I
>> think the changes make the grammar look nicer, and help compiler
>> implementers by providing a sample implementation of fixity resolution.
>> We better be sure the sample implementation is correct!  I've tested it
>> fairly well, but I wouldn't rule out corner cases being wrong, especially
>> with prefix negation.
> The code in Resolve.hs has been used by HLint for months, and is the
> basis of the resolution used in haskell-src-exts 1.0.0. In that time I
> haven't seen any bugs with the fixity resolution.

I updated the code on the wiki page: the previous version didn't handle 
prefix negation - did you implement that yourself in HLint?


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