Bruno Medeiros <brunodomedeiros+spam@com.gmail> wrote:
In this code sample if the optimization is applied on the second call to func, it would cause different code with be executed: the else clause instead of the then clause. Obviously this is not acceptable for an optimization, even if such code would be rare in practice.
Ah yes, I see now. I could argue that 'is' is cheating. :p I believe actually, that pure is only said to promise that the returned values should be such that func(args) == func(args), not accounting for overloaded operators. -- Simen
