Re: [boost] ScopeExit review

From: Johan Nilsson (r.johan.nilsson_at_[hidden])
Date: 2007-08-23 02:22:21

Steven Watanabe wrote:
> 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.

Passing by reference definitely gets +1 from me.

If possible, and does not uglify the syntax, making it default only would be 
ok.

/ Johan