std::auto_ptr<T>::reset
| void reset( T* p = 0 ) throw(); | (deprecated in C++11) (removed in C++17) | 
Replaces the held pointer by p. If the currently held pointer is not null pointer, delete get() is called.
Parameters
| p | - | a pointer to an object to manage | 
Return value
(none).
See also
| releases ownership of the managed object (public member function) | 
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