original_string: public function eachSpread(callable $callback)
      {
          return $this->each(function ($chunk, $key) use ($callback) {
              $chunk[] = $key;
  
              return $callback(...$chunk);
          });
      }
code: public function eachSpread(callable $callback)
      {
          return $this->each(function ($chunk, $key) use ($callback) {
              $chunk[] = $key;
  
              return $callback(...$chunk);
          });
      }
code_tokens: public function eachSpread ( callable $ callback ) { return $ this -> each ( function ( $ chunk , $ key ) use ( $ callback ) { $ chunk [ ] = $ key ; return $ callback ( ... $ chunk ) ; } ) ; }
docstring: Execute a callback over each nested chunk of items.
  
  @param  callable  $callback
  @return static
docstring_tokens: Execute a callback over each nested chunk of items .