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(C++) boost::shared_ptr

A type of smart pointer that can be copied safely and cheap, without copying the object pointed to. When the last boost::shared_ptr using an object goes out of scope, it will delete the object pointed to.

//Create a Widget

boost::shared_ptr<Widget> widget(new Widget);

//Use the widget

widget->DoSomething();

//Make another shared_ptr to the same widget.

boost::shared_ptr<Widget> sameWidget = widget;

External link

* Boost's page about boost::shared_ptr

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