Reference

All functions
compare_fn()	Get key comparison function of an hash table
default() `default<-`()	Default hashmap values
default_hash_fn()	String hashes for arbitrary R objects
delete()	Delete keys or key/value pairs from an hash table.
has_key() `%has_key%`	Key existence in hash tables
hash_fn()	Get hash function of an hash table
hashmap() hashset()	Hash maps and sets
hashtable_methods	Methods for S3 classes hashmap and hashset
insert()	Insert keys or key/value pairs into an hash table.
keys()	List all keys from an hash table
length(<r2r_hashtable>)	Size of hash tables
on_missing_key() `on_missing_key<-`()	On missing key behaviour
query()	Query keys from an hash table.
`[[`(<r2r_hashmap>) `[`(<r2r_hashmap>) `[[<-`(<r2r_hashmap>) `[<-`(<r2r_hashmap>) `[[`(<r2r_hashset>) `[`(<r2r_hashset>) `[[<-`(<r2r_hashset>) `[<-`(<r2r_hashset>)	Subsetting hashsets and hashmaps
values()	List all values from an hash map