Proposal #2629: Data.List: Replace nub; add nubOrd, nubInt, nubWith

Brandon S. Allbery KF8NH allbery at
Mon Sep 29 19:06:41 EDT 2008

On 2008 Sep 29, at 18:55, Alexander Dunlap wrote:
> On Mon, Sep 29, 2008 at 9:40 AM, apfelmus  
> <apfelmus at> wrote:
>> Alexander Dunlap wrote:
>>> This seems like a good idea but it's kind of strange to have three
>>> different exposed versions of nub. Would it be possible to hide  
>>> them,
>>> hide the StopList typeclass and use {-# RULES #-} pragmas to use the
>>> faster versions when possible?
>> I don't think that using RULES pragmas is a good solution to the  
>> problem.
> Why not? I thought that was the major purpose of RULES - to implement
> transformations that don't affect semantics. It seems silly to clutter

So what of yhc, nhc98, jhc?  ghc is not the be-all and end-all of  

brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at
system administrator [openafs,heimdal,too many hats] allbery at
electrical and computer engineering, carnegie mellon university    KF8NH

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