Scope resolution operator in c++

:: // this is called the scope resolution operator. 
The :: (scope resolution) operator is used to qualify hidden names so that you can still use them

Scope resolution operator in c++

int count = 0;

int main(void) {
  int count = 0;
  ::count = 1;  // set global count to 1
  count = 2;    // set local count to 2
  return 0;
}

Source: ibm.com

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