Efficient heaps in purely functional languages

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被撕碎了的回忆 2021-01-30 13:42

As an exercise in Haskell, I\'m trying to implement heapsort. The heap is usually implemented as an array in imperative languages, but this would be hugely inefficient in purely

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  • 2021-01-30 14:12

    I tried to port standard binary heap into functional settings. There is an article with described idea: A Functional Approach to Standard Binary Heaps. All the source code listings in the article are in Scala. But it might be ported very easy into any other functional language.

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  • 2021-01-30 14:15

    And here is a Fibonacci Heap in Haskell:

    https://github.com/liuxinyu95/AlgoXY/blob/algoxy/datastruct/heap/other-heaps/src/FibonacciHeap.hs

    Here are the pdf file for some other k-ary heaps based on Okasaki's work.

    https://github.com/downloads/liuxinyu95/AlgoXY/kheap-en.pdf

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  • 2021-01-30 14:15

    Here is a page containing an ML version of HeapSort. It's quite detailed and should provide a good starting point.

    http://flint.cs.yale.edu/cs428/coq/doc/Reference-Manual021.html

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