#3298: Add swap to Data.Tuple
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Reporter: r6 | Owner:
Type: proposal | Status: new
Priority: normal | Milestone:
Component: libraries/base | Version: 6.10.2
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
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Comment (by YitzGale):
I wrote:
> > {{{swap = uncurry $ flip (,)}}}
simonmar wrote:
> I had tongue firmly in cheek when I suggested using this definition on
haskell-cafe a while ago. I am not sure whether to be horrified or amused
that some people would actually prefer to write it that way!
He he, I didn't even remember that, perhaps I didn't see it.
Anyway, I never meant to suggest that it should actually
be written that way in the libraries.
Just that the laziness of the natural points-free
version is evidence in support of laziness. And I have
retracted even that claim.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3298#comment:6>
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