- list->iset! iset listprocedure
Returns a iset that contains the elements of both iset and list. Duplicate elements are omitted. list->iset! may mutate iset rather than allocating a new iset.
Example:
(iset->list (list->iset! (iset 2 3 5) '(-3 -1 0))) ⇒ (-3 -1 0 2 3 5)