[Haskell-cafe] Huffman Codes in Haskell

[Don Stewart]

john:
> On Tue, Jun 22, 2010 at 06:24:22PM +0100, Andrew Coppin wrote:
> > John Meacham wrote:
> >> In particular, a Huffman coding:
> >> http://en.wikipedia.org/wiki/Huffman_coding
> >> is ideal for this (assuming you just are taking advantage of frequency
> >> analysis). A dynamic Huffman Tree will even adapt as it is being used to
> >> whatever the current language is. Huffman Trees are easy and fun to
> >> implement too.
> >>   
> >
> > Interestingly, Huffman coding is one of those problems with a trivially  
> > simple mathematical expression, which none the less turns out to be  
> > difficult to express succinctly in Haskell. Oh, you can *do* it. It just  
> > seems to take a surprising amount of typing...
> 
> Hmmm.... Do I hear a challenge? :)
> 
> Actually, I can't find my huffman code at the moment, I would be
> curious what others take on the problem was.
> 

    http://hackage.haskell.org/package/huffman

    A simple and pure Haskell implementation of the Huffman encoding algorithm.

Google turns up a lot of results.