[solved] Is STL really improved with C++11 Move semantics?

Question

I used to hear a lot that move semantic has major improvement on STL.

Just build your legacy code after adding move semantics [in case you have some special member functions defined or else move semantics for your class is provided by compiler).

This will give a performance improvement.

Just thought to evaluate this.

Refer code below:

I have a class which allocates memory on heap and rule of 5 has been followed.

Created a vector of this class and emplaced back an element (class object)

When second emplace back is done, obviously capacity is same as size and re allocation will happen.

I was expecting class move semantic rather than copy to avoid frequent heap allocations.

Is my expectation not fulfilled my C++11 move semantic? Am I missing something?
What to be done in existing code so that vector does use move semantic for class object when size is capacity and doing reallocation of elements?

Answer 1

Done now

Noexcept was missing for move constructor and move assignment

Answer 2

Not able to add link of code as size limit exceeded. Here is my code for reference :

https://code.sololearn.com/csN54ox1bj4k/?ref=app