Re: [boost] ScopeExit review

From: Steven Watanabe (steven_at_[hidden])
Date: 2007-08-22 15:33:46

AMDG

Andrey Semashev <andysem <at> mail.ru> writes:

> Generally speaking, you are right here. But first, there are many
> objects that don't throw on copying. And second, it's not always
> possible to make a copy beforehand. See one of my previous posts for
> an example (inserting into container yelds an iterator that is to be
> used in the scope-exit block). So I think the best way is to leave the
> decision up to user.

I don't understand. Why can't you make a copy
right before the scope exit block?  I think that
for ScopeExit, always passing by reference is
correct.  At the very least it should be the default.

In Christ,
Steven Watanabe