Differences in pattern matching syntax?
Brandon S. Allbery KF8NH
allbery at ece.cmu.edu
Fri Jan 16 20:34:56 EST 2009
On 2009 Jan 16, at 11:23, Bulat Ziganshin wrote:
> Friday, January 16, 2009, 7:07:09 PM, you wrote:
>> instance Eq RuleType
> this is very common error. it would be great to find some way to deal
> with it (for predefined classes at very least...)
It wouldn't catch everything, but might it make sense to output a
warning on empty instance declarations?
brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university KF8NH
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