[Haskell-cafe] Parse text difficulty
ctm at cs.nott.ac.uk
Thu Dec 9 12:55:09 EST 2004
Jan-Willem Maessen - Sun Labs East wrote:
> Tomasz Zielonka wrote:
>>I found it useful recently, when I needed zip functions for Trees - this way I
>>didn't have to define functions for 3 trees, 4 trees, and so on.
> Note also that:
> repeat f `zwApply` xs = map f xs
> When cooking up my own collection-y things (including splittable
> supplies, for example), I generally provide fmap and an equivalent of
> zwApply (a generic repeat is not quite so simple or useful). It's a
> nice little idiom, and a recommend it highly.
Funny you should choose that word:
saves me banging the same old drum.
PS Many apologies for not having written this up yet!
http://www.cs.nott.ac.uk/~ctm [I've moved again...]
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