public function equal($label = '', $operator = '=')
    {
        $label = $label ?: $operator;

        $condition = [$this->column, $operator, $this->value];

        return $this->joinGroup($label, $condition);
    }
public function equal($label = '', $operator = '=')
    {
        $label = $label ?: $operator;

        $condition = [$this->column, $operator, $this->value];

        return $this->joinGroup($label, $condition);
    }
public function equal ( $ label = '' , $ operator = '=' ) { $ label = $ label ? : $ operator ; $ condition = [ $ this -> column , $ operator , $ this -> value ] ; return $ this -> joinGroup ( $ label , $ condition ) ; }
Filter out `equal` records.

@param string $label
@param string $operator

@return Group
Filter out equal records .