unique_ptr is a smart pointer that manages an object or an array allocated on the heap through a raw pointer, performing an appropriate disposal when the smart pointer goes out of scope, is assigned a new pointer with operator=, or it gives up ownership using the release() method. By default, operator delete is used to dispose of the managed object. However, the user may supply a custom deleter when constructing the smart pointer. This deleter must be a function object, either an lvalue reference to a function object or a function, and this callable object must take a single argument of the type unique_ptr<T, Deleter>::pointer.
C++14 has added the std::make_unique() utility function template to create an unique_ptr. It avoids ...
