Re: std::vector help!!

From:
"Yong Hu" <yhu221300@gmail.com>
Newsgroups:
comp.lang.c++
Date:
27 Jun 2006 08:07:15 -0700
Message-ID:
<1151420835.442253.193920@75g2000cwc.googlegroups.com>
It is ok if the following lines are used;

delete (*itr);
*itr = NULL;

Yong Hu

Howard wrote:

"Victor Bazarov" <v.Abazarov@comAcast.net> wrote in message
news:e7oo0b$pem$1@news.datemas.de...

vikram_p_nayak@yahoo.com wrote:

linux_bp wrote:

I have an stl vector array which stores the pointers to objects.
To delete the array i am using:

std::vector<*foo> bar;
...
for (vector<*foo>::iterator itr = bar.begin(); itr != bar.end(); )
{
delete itr;
itr = NULL;
}


Shouldnt this be
delete (*itr);
?
I guess you are deleting the objects being referred to by the vector
elements. Maybe I am wrong.


It's really hard to conclude anything (although you're probably right)
since the code presented is not real code. For example, 'vector<*foo>'
is a definite syntax error.


Not to mention the fact that such a loop would loop forever, since itr is
set to NULL on the first iteration, is never changed by the loop statement,
and would thus never equal bar.end().

-Howard

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