[Haskell-cafe] Does GHC compare pointers when eval'ing (==)

Iustin Pop iusty at k1024.org
Wed Aug 20 15:14:00 UTC 2014

On Wed, Aug 20, 2014 at 03:16:03PM +0200, Johan Holmquist wrote:
> To summarise, the points raised sofar against this optimisation are,
> roughly, as follows.

I think a different aspect of this is: what are you trying to optimise?
What code do you have where equality tests are a significant part of the


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