From: Noel Yap (Noel.Yap_at_[hidden])
Date: 2003-04-25 08:50:11
David Abrahams wrote:
> > int foo(int ¶m);
> > with
> > int foo(in_out_param<int> param);
> > provided that the in_out_param had no space/time overhead.
> Probably not, but I am so uncomfortable with out parameters that I
> basically always avoid them unless their usage is completely idiomatic
> (e.g. in some operators like stream insertion << and the obvious
> assignment variants =, +=, ...). Normally I'll go way out of my way
> to avoid it.
Same here; other than idiomatic uses, like I said before, the only other usage I can see is for objects that can't be copied either for technical reasons (eg no copy constructor or assignment operator) or for practical reasons (eg slow copy constructor or
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