On Thu, Nov 25, 2010 at 2:32 AM, Joachim Breitner
<m...@joachim-breitner.de>wrote:
> So I wonder:
> * Is sharing values of type Int (and Bool and similar small values)
> always safe?
> * If so: does GHC already do that?
> * Would it be technically possible?
> * Is there an established theory that can tell, for a sharing
> candidate, whether it is safe to share it?
>
>
Jhc does this for simple types, which are unary constructors with a
primitive argument (CPR types). I never actually ran tests to see how much
it helps if any.
John
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