 
   @doc """
   Returns the collection with each element wrapped in a tuple
-  along side its index.
+  alongside its index.
 
   ## Examples
 

  @doc """
  Returns a collection of lists containing `n` items each, where
  each new chunk starts `step` elements into the collection.
  `step` is optional and if not passed, defaults to `n`, i.e.
  chunks do not overlap. If the final chunk does not have `n`
  elements to fill the chunk, elements are taken as necessary
  from `pad` if it was passed. If `pad` is passed and does not

  end

  @doc """
  Returns a subset list of the given collection. Drops elements
  until element position `start`, then takes `count` elements.

  ## Examples

