Proposal: Relax rules for 'pure'
bearophile
bearophileHUGS at lycos.com
Mon Oct 25 09:34:44 PDT 2010
Bruno Medeiros:
> Robert Jacques:
>> Weakly-pure functions, don't provide either of
> > these guarantees, but allow a much larger number of functions to be
> > strongly-pure.
>> ...
> I think we need to be more realistic with what kinds of optimizations
> we could expect from a D compiler and pure functions.
Partally unrelated: in DMD 2.050 I think it's possible to have both std.algorithm.swap and std.algorithm.sort weakly pure. So I am able to sort data even in a strongly pure function :-) This is an important change.
Bye,
bearophile
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