original_string: public function lengthOf($countable, $length, $message = '')
      {
          $this->assertion->setActual($countable);
  
          return $this->assertion->to->have->length($length, $message);
      }
code: public function lengthOf($countable, $length, $message = '')
      {
          $this->assertion->setActual($countable);
  
          return $this->assertion->to->have->length($length, $message);
      }
code_tokens: public function lengthOf ( $ countable , $ length , $ message = '' ) { $ this -> assertion -> setActual ( $ countable ) ; return $ this -> assertion -> to -> have -> length ( $ length , $ message ) ; }
docstring: Perform a length assertion.
  
  @param string|array|Countable $countable
  @param $length
  @param string $message
docstring_tokens: Perform a length assertion .