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From: Eric Niebler (eric_at_[hidden])
Date: 2004-04-23 14:51:32

David Abrahams wrote:
> Calling through internally stored function pointers may be a minor
> improvement over using virtual functions, but that's not crystal clear
> to me. It seems likely that compilers might optimize away the virtual
> calls because all vtables are known to be strictly constant, but the
> other optimization seems less likely.

Indeed, this is an implementation strategy that I tried. I decided
against it because of the very poor code it generated (on vc7.1 with
full optimizations).

Eric Niebler
Boost Consulting

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