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Recent questions tagged Haskell

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - How to compare two functions for equivalence, as in (λx.2*x) == (λx.x+x)?
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1.3k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Why is lazy evaluation useful?
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1.4k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Ordering of parameters to make use of currying
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1.3k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - What constitutes a fold for types other than list?
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1.3k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Why doesn't this function work if I use "[xs]" instead of "xs"?
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1.3k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Euler 43 - is there a monad to help write this list comprehension?
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1.5k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Composing function composition: How does (.).(.) work?
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1.5k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - How to extract value from monadic action
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1.6k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Scala: How to define "generic" function parameters?
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1.4k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - DatatypeContexts Deprecated in Latest GHC: Why?
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1.5k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - How do I use fix, and how does it work?
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1.5k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - What is indexed monad?
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1.2k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Using return vs. not using return in the list monad
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1.4k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - IO happens out of order when using getLine and putStr
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1.4k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Positive integer type
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1.5k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Confused by the meaning of the 'Alternative' type class and its relationship to other type classes
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1.3k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - What are paramorphisms?
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1.4k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Non exhaustive pattern in function in GHCi
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1.8k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Explicitly import instances
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1.5k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - How to use (->) instances of Monad and confusion about (->)
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1.4k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Concrete example showing that monads are not closed under composition (with proof)?
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1.3k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Writing foldl using foldr
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1.4k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - foldl versus foldr behavior with infinite lists
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1.5k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - A monad is just a monoid in the category of endofunctors, what's the problem?
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1.5k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Finite comprehension of an infinite list
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1.4k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - What is the purpose of Rank2Types?
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1.3k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - Multi-line commands in GHCi
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1.6k views 1 answer
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
haskell - What's so bad about Lazy I/O?
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1.5k views 1 answer
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