Which of the following statements is true?
A) When working with many of the C++ Standard Library containers, you can use the new member functions emplace, emplace_front, emplace_back, emplace_after and emplace_hint to insert objects into containers.
B) The emplace member functions insert objects into contains without invoking any copy or move operations.
C) The emplace member functions actually contruct new objects in place in the new container elements.
D) All of the above.

Question

Quizplus · Accepted Answer

All of the statements are true. The emplace member functions are a new addition to the C++ Standard Library containers and allow the construction of objects directly in the container without the need for a separate copy or move operation. This is often more efficient and can also be used with objects that cannot be copied or moved. The various emplace functions correspond to where in the container the new object should be inserted.

Which of the Following Statements Is True