experimental persistent map data structure

magical 28e69d7fb4 insertion benchmarks ... spoilers: they're not good		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	insertion benchmarks	2022-01-23 03:11:46 +00:00