Overlapping instances vs. Haskell98 Report [was: How to disable
warning for "export item 'module ...' exports nothing"?]
isaacdupree at charter.net
Fri Aug 15 11:39:33 EDT 2008
Sean Leather wrote:
> That's interesting. So, maybe there should be some language extension or
> warning (with associated -fno-warn) for this in GHC.
> Personally, I prefer the way it's done now. (I guess that's obvious,
> considering I'm developing a library that will take advantage of it. ;) )
> But it makes sense that instances are only looked up when needed, instead of
> globally tracked.
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