original_string: public function isLinkLocal(): bool
      {
          if ($this->is_link_local === null) {
              $this->is_link_local = $this->isIn(static::$link_local_block);
          }
  
          return $this->is_link_local;
      }
code: public function isLinkLocal(): bool
      {
          if ($this->is_link_local === null) {
              $this->is_link_local = $this->isIn(static::$link_local_block);
          }
  
          return $this->is_link_local;
      }
code_tokens: public function isLinkLocal ( ) : bool { if ( $ this -> is_link_local === null ) { $ this -> is_link_local = $ this -> isIn ( static :: $ link_local_block ) ; } return $ this -> is_link_local ; }
docstring: Determine if the address is a Link-Local address.
  
  @return bool
docstring_tokens: Determine if the address is a Link - Local address .