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From: Pavel Vozenilek (pavel_vozenilek_at_[hidden])
Date: 2005-03-30 11:39:33
"John Maddock" wrote:
> Or possibly deprecate param_type ;-)
>
> On most modern machines the difference between passing small types by
> reference and by value is negligible, the main use is to prevent aliasing
> (similar to C99's restrict keyword):
>
Similar feature was (cca year ago) added into STLport.
Measurements had shown several % speedup
for vector<int>::push_back().
Implementors of STL count every cycle.
/Pavel
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