public function blank()
    {
        $message = ['%s is {{not|}} empty', $this->value];
        $this->assert((empty($this->value)), $message);

        return $this;
    }
public function blank()
    {
        $message = ['%s is {{not|}} empty', $this->value];
        $this->assert((empty($this->value)), $message);

        return $this;
    }
public function blank ( ) { $ message = [ '%s is {{not|}} empty' , $ this -> value ] ; $ this -> assert ( ( empty ( $ this -> value ) ) , $ message ) ; return $ this ; }
Assert that the value is empty.

@throws AssertionFailureException

@return self
Assert that the value is empty .