[PATCH] Split Data.IntMap into Data.IntMap.Strict and Data.IntMap.Lazy.

[Johan Tibell]

On Sat, Sep 17, 2011 at 7:13 AM, Milan Straka <fox at ucw.cz> wrote:

> As mentioned, we have no consensus on whether we should provide
> Data.IntMap.Lazy, which would export the Data.IntMap methods without the
> insertWith' and insertWithKey'. Currently I am against it.
>

I'm in favor of exporting both the .Strict and the .Lazy versions. This is
consistent with e.g. Control.Monad.ST, Data.STRef, and Data.HashMap. I think
it makes the choice of semantics more clear and removes the need to know
which one is the default when you see an import like this:

    import Data.Map

Cheers,
Johan
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