Data.Map.Strict.Map is not a strict map

I was surprised when I learned that Data.Map.Strict.Map is not strict. Its laziness has serious consequences for attempts at space leak free programming in Haskell. Here’s an article I wrote about it:

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The usual FUD about space leaks and laziness…

What would you say is the counterpoint?

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I’ve seen laziness and “space leaks” cost companies a lot of money, hiring expensive consultants (who couldn’t fix it), spending lots of money on amazon 64GB instances, having 2+ hours of deployment times… until someone figured out the issues, which required a lot of GHC knowledge and debugging.

So to me, those are pretty real concerns.

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This might work for you。ghc-9.2.1 support that.