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

19 votes95 views2 answers
Files c++
C++
7 votes99 views1 answer
How to check string contains char in c++
C++
0 vote97 views1 answer
What is the system function in c++
C++
0 vote87 views1 answer
Get start with c++
C++
-1 vote91 views1 answer
How to make a hello world program in c++
C++
0 vote90 views1 answer
Static cast char c++
C++
1 vote89 views1 answer
Case label in c++
C++
0 vote98 views1 answer
GlUniform bool
C++
1 vote97 views1 answer
Why can not return char in cpp
C++
1 vote96 views1 answer
Eosio get time
C++