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Questions tagged combinators

6 questions

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8
votes
2
answers

Haskell: Why is ((.).(.)) f g equal to f . g x?

haskell types function-composition combinators pointfree
asked 2013-02-05T12:36:09.357
38
votes
2
answers

Y combinator discussion in "The Little Schemer"

scheme combinators y-combinator the-little-schemer
asked 2012-05-08T13:24:00.213
85
votes
7
answers

foldl is tail recursive, so how come foldr runs faster than foldl?

optimization haskell tail-recursion combinators fold
asked 2010-08-07T07:54:03.563
102
votes
11
answers

How does foldr work?

haskell combinators fold
asked 2009-11-18T17:36:04.203
16
votes
5
answers

Python implementation of Parsec?

python parsing parsec combinators
asked 2008-09-18T17:54:39.547
439
votes
18
answers

What is a Y-combinator?

functional-programming computer-science theory definition combinators
asked 2008-09-18T15:21:02.520