Show you the discipline of copy and move constructors.
git clone https://github.com/jingedawang/constructor_test.git
cd constructor_test
mkdir build
cd build
cmake ..
make./constructor_testWe have tested the code under GCC 5.4.0. It should have the following output:
-------------------------1-------------------------
Constructor
-------------------------2-------------------------
Copy Constructor
-------------------------3-------------------------
Copy Constructor
-------------------------4-------------------------
Copy Assignment operator
-------------------------5-------------------------
Constructor
Move Constructor
-------------------------6-------------------------
Move Constructor
-------------------------7-------------------------
Constructor
Move Constructor
Move Constructor
-------------------------8-------------------------
-------------------------9-------------------------
Constructor
Move Assignment operator
To figure out what these results mean, please see my blog 拷贝构造函数和移动构造函数.