Re: vector problem
Giovanni Dicanio wrote:
"Dan Bloomquist" <email@example.com> ha scritto nel messaggio
I've seen std::vector copy an object more than once while it is working,
as I recall. It doesn't matter as it knows what it is doing. As long as
that is what you mean by 'doesn't work'.
I think that this is a reson why we should use std::vector storing
shared_ptr (smart pointers) of class instances, especially for "big"
objects, so we can avoid expensive deep-copies.
Hay, I got off my duff. I just ran into a situation where I may or may
not want to use a returned object. And since it is a not a member of
another object, it has no persistence.
typedef boost::shared_ptr<CXML> spXML;
//member that creates xml
spCXML ColumnHeaders::LoadUserXML( )
//So, instead of
spCXML pXml( new CXML );
//I do this so intelesense works,
// a problem using Boost I've seen before.
CXML& xml= *pXml;
Now I can grab the object if I'd like, then forget it, or just forget it
if I don't need it!
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