- default-hashprocedure
- Applied to a pair, this procedure must return result of hashing together results of hashing car and cdr of the pair.
- Applied to boolean, character, string, symbol and number values, result must be the same as produced by boolean-hash, char-hash, string-hash, symbol-hash, or number-hash.
- Applied to list or vector types, result is the result of hashing together the hash of each element.