5.13.3 Inspection

Procedure: hashtable-equivalence-function hashtable

Return the equivalence function used by hashtable to compare keys. For hashtables created with make-eq-hashtable and make-eqv-hashtable, returns eq? and eqv? respectively.

Procedure: hashtable-hash-function hashtable

Return the hash function used by hashtable. For hashtables created by make-eq-hashtable or make-eqv-hashtable, #f is returned.

Procedure: hashtable-mutable? hashtable

Return #t if hashtable is mutable, otherwise #f.