[Haskell-cafe] Byte Histogram
andrewcoppin at btinternet.com
Sat Feb 5 16:16:47 CET 2011
On 03/02/2011 09:37 PM, Daniel Fischer wrote:
> To illustrate your prediction about the side-issues:
> On Thursday 03 February 2011 22:10:51, Andrew Coppin wrote:
>> Consider for a moment the original implementation with Data.Map. Adding
>> a seq or two here will do no good at all; seq reduces to WHNF. What we
>> are wanting is NF, and I can see no way at all of doing that.
> Check out Data.Map.insertWith'
Random fact: Data.Map.insertWith' exists. Data.IntMap.insertWith' does
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