chickadee » hash-trie » hash-trie/intern

hash-trie/intern HASH-TRIE KEY GENERATORprocedure

If HASH-TRIE has an association for KEY, returns its associated datum and HASH-TRIE. Otherwise, calls (GENERATOR KEY) to obtain a datum D, and returns D and a hash trie with all the associations in HASH-TRIE as well as an association of D with KEY.