The following code example is taken from the book
C++ Move Semantics - The Complete Guide
by Nicolai M. Josuttis,
Leanpub, 2020
The code is licensed under a
Creative Commons Attribution 4.0 International License.
// raw code
#include <string>
#include <iostream>
class Person {
private:
std::string name;
public:
Person(const char* n)
: name{n} {
}
std::string getName() const {
return name;
}
// print out when we copy or move:
Person(const Person& p)
: name{p.name} {
std::cout << "COPY " << name << '\n';
}
Person(Person&& p) noexcept(std::is_nothrow_move_constructible<std::string>::value
&& noexcept(std::cout << name))
: name{std::move(p.name)} {
std::cout << "MOVE " << name << '\n';
}
//...
};