How to use std::shared_ptr

C++11 has full support for a smart pointer called std::shared_ptr. Smart pointers keep track of how many references are pointing to a given object. When that reference count goes to zero, the object is destroyed automatically by calling its destructor. std::shared_ptr is a smart pointer that allows multiple references to be created to the same object.

To quickly understand how to use this smart pointer I created this sample C++ code:


  • §12.1: C++ Primer (5th Edition) by Lippman et al.
  • §5.2.1, §34.3.2: The C++ Programming Language (4th Edition) by Stroustrup

Tried with: GCC 4.9.1 and Ubuntu 14.04

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