[C++ CODE] Valid Parenthesis

bool validateBrackets(const std::string& data) {

  std::stack<char> brackets;  

  for (const auto& d : data) {
    if (d == '[' || d == '(' || d == '{') {
      brackets.push(d);
    }      
    else if (d == ']') {
     if (brackets.top() == '[')
       brackets.pop(); 
      else 
        return false;
    }
    else if (d == ')') {
     if (brackets.top() == '(')
       brackets.pop();
      else 
        return false;
    }
    else if(d == '}') {
     if (brackets.top() == '{')
       brackets.pop();
      else 
        return false;
    }
  }

  return true;
}