Proposal: Value strict versions of containers

Johan Tibell johan.tibell at
Sun May 22 09:45:48 CEST 2011

On Sat, May 21, 2011 at 7:19 PM, Edward Z. Yang <ezyang at> wrote:
> Since there are so many of these functions, I propose we introduce Lazy and
> Strict versions of IntMap.  We should also carefully document operations on the
> IntMap that are strict on all values; for example, filter.  Similar changes
> should be made to Data.Map.

This is exactly what I did in the unordered-containers package [1],
where I have Data.HashMap.Strict and Data.HashMap.Lazy.



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