C++ ::

/* :: is the scope resolution operator
 *
 * It allows to access objects outside of their scope, e.g to implement
 * a function of a class from outside the class
 */

class foo {      // define class named foo
  public:
    foo();       // constructor
    void bar();  // function
};

foo::foo()
{
  // Implement the constructor from outside the class
}

void foo::bar()
{
  // Implement bar from outside the class
}

void bar()
{
  // Implement different bar which is not within the same scope
}

Similar codes

0 vote134 views1 answer
Add comment in c/c++
C++
7 votes154 views2 answers
Qt int to string
C++
8 votes116 views2 answers
C++ factorial
C++
2 votes135 views1 answer
Switch case with string c++
C++
0 vote129 views1 answer
Deifine an object in C++
C++
0 vote118 views1 answer
Create vector of specific size c++
C++
5 votes137 views1 answer
How to include everything in c++
C++
0 vote192 views1 answer
Sort n characters in descending order c++
C++
3 votes116 views2 answers
A+b+c whole square
C++
9 votes144 views3 answers
Max function in c++
C++