Re: [Boost-Users] Newbie boost::mem_fn problem

From: Mark Snelling (mark_at_[hidden])
Date: 2002-09-05 03:02:00

Thanks Jeff. I really must spend some time getting to grips with the
boost::bind library.
Are there any sets of documentation for this? I don't find the Boost set of
docs on the topic very enlightening.

Mark.

----- Original Message -----
From: "Jeff Faust" <jeff_at_[hidden]>
To: <Boost-Users_at_[hidden]>
Sent: Wednesday, September 04, 2002 7:22 PM
Subject: RE: [Boost-Users] Newbie boost::mem_fn problem

> #include <boost/bind.hpp>
>
> ...
>
> int updateVal;
>
> ...
>
> for_each(blocks.begin(), blocks.end(), boost::bind(&Block::update, _1,
> updateVal));
>
> Jeff
>
> -----Original Message-----
> From: Mark Snelling [mailto:mark_at_[hidden]]
> Sent: Wednesday, September 04, 2002 10:17 AM
> To: Boost-Users_at_[hidden]
> Subject: [Boost-Users] Newbie boost::mem_fn problem
>
>
> Hello,
> My problem I think is very simple, I just can't seem to find the solution
> I have an STL list of object pointers and I want to call a member function
> on each of the pointers in the list usigng the STL for_each algorithm.
This
> would seem easy if the list contained the actual objects rather than
> pointers to them, but because they are pointers I can't find a way of
doing
> this.
>
> class Block
> {
> public:
>     void update(int x);
> };
>
> void main()
> {
>     list<Block*> blocks;
>     for_each(blocks.begin(), blocks.end(), *****);    // Call update on
each
> item in list
> }
>
> what should I replace the ***** with?
>
> Any help appreciated!
>
> Mark.
>
>
>
>
>
> Info: <http://www.boost.org>
> Wiki: <http://www.crystalclearsoftware.com/cgi-bin/boost_wiki/wiki.pl>
> Unsubscribe: <mailto:boost-users-unsubscribe_at_[hidden]>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>
> Info: <http://www.boost.org>
> Wiki: <http://www.crystalclearsoftware.com/cgi-bin/boost_wiki/wiki.pl>
> Unsubscribe: <mailto:boost-users-unsubscribe_at_[hidden]>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>