C++ Constructor Move Constructor Question

Introduction

Write a program that defines a class with two data members, a user-provided constructor, a user-provided move constructor, and a member function that prints the data.

Invoke the move constructor in the main program.

Print the moved-to object data fields. 



#include <iostream> 
#include <string> 

class MyClass 
{ 
private: 
    double d; 
    std::string s; 
public: 
    MyClass(double dd, std::string ss) // user-provided constructor 
         : d{ dd }, s{ ss } 
    {} 
    MyClass(MyClass&& otherobject) // user-defined move constructor 
         : 
        d{ std::move(otherobject.d) }, s{ std::move(otherobject.s) } 
    { 
        std::cout << "Move constructor invoked." << '\n'; 
    } 

    void printdata() 
    { 
         std::cout << "The value of doble is: " << d << ", the value of  
          string is: " << s << '\n'; 
    } 
}; 

int main() 
{ 
    MyClass o1{ 3.14, "This was in object 1" }; 
    MyClass o2 = std::move(o1); // invokes the move constructor 
    o2.printdata(); 
}



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