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From: Amir Husain (amirhusain_at_[hidden])
Date: 2001-04-06 08:04:48

Sorry

Must look like a kid question the thing i wanna ask is why do we use auto_array_ptr rather then the normal pointer wat benefits are there in using it??

Why a auto_ary_ptr noa a normal ptr?

thanks

amir

>From: "David Abrahams"
>Reply-To: boost@yahoogroups.com
>To:
>Subject: Re: [boost] Re: auto_array_ptr
>Date: Fri, 6 Apr 2001 08:42:55 -0400
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>----- Original Message -----
>From: "Peter Dimov"
>
>
> > The caveat about temporary smart pointer objects still applies. My rule is
> > "never create an unnamed temporary smart pointer." The non-const reference
> > idiom tries to enforce this rule... although I have another reason for
> > preferring pass by non-const reference:
> >
> > void f(T arg);
> >
> > T t;
> >
> > f(t);
> >
> > // now t is unchanged, right?
>
>Wrong, of course. Usually, the declaration of f isn't visible near the call,
>so you can't assume much about what's changed. But this case could be seen
>as an argument for using the unnamed temporary... then there's no object
>hanging around with a confusing value.
>
>-Dave
>
>
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