Re: Add traverseWithIndex to Data.Sequence

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David Feuer writes:

I just realized there *is* a way to implement traverseWithIndex reasonably efficiently with the current interface:

traverseWithIndex f = sequenceA . mapWithIndex f

I still think it's a good thing to add though.

+1 -- John Wiegley GPG fingerprint = 4710 CF98 AF9B 327B B80F http://newartisans.com 60E1 46C4 BD1A 7AC1 4BA2