Specs

add(set :: t(), item :: Discord.SortedSet.Types.supported_term()) ::
  t() | Discord.SortedSet.Types.common_errors()

Adds an item to the set.

To retrieve the index of where the item was added, see index_add/2 There is no performance penalty for requesting the index while adding an item.

Performance

Unlike a hash based set that has O(1) inserts, the SortedSet is O(log(N/B)) + O(log(B)) where N is the number of items in the SortedSet and B is the Bucket Size.