original_string: public function equal($label = '', $operator = '=')
      {
          $label = $label ?: $operator;
  
          $condition = [$this->column, $operator, $this->value];
  
          return $this->joinGroup($label, $condition);
      }
code: public function equal($label = '', $operator = '=')
      {
          $label = $label ?: $operator;
  
          $condition = [$this->column, $operator, $this->value];
  
          return $this->joinGroup($label, $condition);
      }
code_tokens: public function equal ( $ label = '' , $ operator = '=' ) { $ label = $ label ? : $ operator ; $ condition = [ $ this -> column , $ operator , $ this -> value ] ; return $ this -> joinGroup ( $ label , $ condition ) ; }
docstring: Filter out `equal` records.
  
  @param string $label
  @param string $operator
  
  @return Group
docstring_tokens: Filter out equal records .