From Cppreference
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template< class... Args > void emplace_back( Args&&... args );
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(C++11 feature)
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Inserts a new element to the end of the container. The element is constructed in-place, i.e. no copy or move operations are performed. The constructor of the element is called with exactly the same arguments, as supplied to the function.
[edit] Parameters
args
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-
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arguments to forward to the constructor of the element
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[edit] Return value
(none)
[edit] Complexity
Constant.
[edit] See also
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inserts elements to the end (public member function)
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