Secure Coding Practices in C++: A Deep Dive into const/

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Ignoring the const

Ignoring the const

Learn when to ignore the const.

We'll cover the following...

When is const ignored?

In the section about const functions, we saw that the following signatures are declared two different overloads.

We can overload a function based on its constness.

C++
#include <iostream>
class A {
 public:
    void foo(){
        std:: cout<<"Non const"<< '\n';
    }
  
    void foo() const{
        std:: cout<<"const"<< '\n';
    }
};
int main() {
    A a;
    a.foo();
}

On the other hand, any const qualifier ...