experimental persistent map data structure

magical c57649e758 stop hardcoding the hash function		2022-01-23 03:11:46 +00:00
pmap.go	stop hardcoding the hash function	2022-01-23 03:11:46 +00:00
pmap_test.go	stop hardcoding the hash function	2022-01-23 03:11:46 +00:00