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List: racket-dev
Subject: [racket-dev] An Improvement to for/set
From: danking () ccs ! neu ! edu (Daniel King)
Date: 2012-02-20 14:03:25
Message-ID: CAEJz2tN5Gtt6fUCKT2pCQLndh-2G8ykSPaL=mfzkX05dQHph8g () mail ! gmail ! com
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On Sun, Feb 19, 2012 at 22:20, Matthias Felleisen <matthias at ccs.neu.edu> wrote:
> for/set sounds and looks more uniform with the rest of the loops, no?
I disagree, I think for/union is a natural analogue for for/product
and for/sum. Both for/union and for/set should be in the set library.
> union you can throw in as a function or for/fold.
I found that I use for/union often enough that it's worth writing a
for/union macro instead of rewriting the same for/fold boilerplate
code every time. However, I'm not sure that I understand what you're
suggesting here.
--
Dan King
College of Computer and Information Science
Northeastern University
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