darcs patch: add Data.Set.notMember and Data.Map.notMember
ndmitchell at gmail.com
Fri Mar 10 07:02:39 EST 2006
Since everyone is disagreeing, and I think these are a good idea, I
thought I'd just say so.
> only a single obvious interpretation of meaning so people likely to
> define their own with same name conflicting with each other and it
> won't hurt to provide them.
This is the killer reason
If "not" is so easy and simple, why do we have both break and span ;)
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