| tuple_find | Returns the indices of all occurrences of a tuple within another tuple. |
| tuple_first_n | Select the first elements of a tuple. |
| tuple_last_n | Select all elements from index ``n'' to the end of a tuple. |
| tuple_remove | Remove elements from a tuple. |
| tuple_select | Select single elements of a tuple. |
| tuple_select_range | Select several elements of a tuple. |
| tuple_select_rank | Select the element of rank n of a tuple. |
| tuple_str_bit_select | Select single character or bit from a tuple. |
| tuple_uniq | Discards all but one of successive identical elements of a tuple. |