Move assignment operator: Difference between revisions

Revision as of 11:35, 1 September 2016

Revision as of 06:17, 2 September 2016

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In the [[C++|C++ programming language]], the '''move assignment operator''' <code>=</code> is used for transferring a temporary object to an existing object. The move assignment operator, like most C++ operators, can be [[Operator overloading|overloaded]]. Like the [[copy assignment operator]] it is a [[special member functions|special member function]].

If the move assignment operator is not explicitly defined, the [[compiler]] generates an implicit move assignment operator ([[C++11]] and newer). The parameter of a move assignment operator is an [[rvalue reference]] (T&&) to type ''T'', where ''T'' is the object that defines the move assignment operator. The move assignment operator is different than a [[move constructor]] because a move assignment operator is called on an existing object, while a move constructor is called on an object created by the operation. Thereafter, the other object's data is no longer valid.

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== Overloading move assignment operator ==

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[[Category:C++]]

[[Category:Operators (programming)]]

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