[Haskell-cafe] Re: Haskell version of Norvig's Python Spelling Corrector

Bryan O'Sullivan bos at serpentine.com
Tue Apr 24 11:33:54 EDT 2007

Udo Stenzel wrote:

> There is another bug of this sort in your code.  Consider
>>         incWordCount w m = M.insertWith (+) w 1 m
> There is no reason to evaluate the sum inside the map, instead an
> unevaluated thunk is put in there.

Would not Data.Map.insertWith' do the trick?


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