Question

How to use with class constructor with implicit conversion in C++

Answer 1

#include <iostream>

class Example {
private:
    int m_A;
public:
     
    Example(int a) : m_A(a) {}
    
    void Print() const {
        std::cout << m_A << "\n";
    }
};
  
 
int main() {
    Example ex = 98; // Implicit Conversion // Constrct Example with 98
      
    ex.Print();
}
   
   
   
   
/*
run:
   
98
   
*/

 

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Answer 2

#include <iostream>

class Example {
private:
    int m_A;
public:
     
    Example(int a) : m_A(a) {}
    int getA() const {
        return m_A;
    }
};
  
    
void Print(const Example& ex) { // Constrct Example with 98
    std::cout << ex.getA() << "\n";
}
 
int main() {
    Print(98); // Implicit Conversion 
}
   
   
   
   
/*
run:
   
98
   
*/

 

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