"David Abrahams" <yg-boost-users@m.gmane.org> wrote in message news:an83fa$l0u$1@main.gmane.org...
<dick.bridges@tais.com> wrote in message news:OF699D7956.EED22A4F-ON88256C43.00722AD0@tais.net...
I run into situations where it's useful for an object to have a 'backpointer' to the object instance that created it (example below). Is there a pattern/idiom for doing this using shared_ptr? Or maybe I need to re-think the idea of the backpointer in the first place?
class Bar;
class Foo { public: Foo(shared_ptr<Bar>);
private: shared_ptr<Bar> p; };
class Bar : boost::shared_count { void doit() { new Foo(boost::shared_from_this(this)); // <<< new Foo(this) obviously won't work. } };
But shared_count is in detail nemespace. Is it correct ? regards, bohdan