ref: a0e26d4f40a3a63f9d33fd1a1f01e23a18ff7e27 dir: /src/hashing.h/
#pragma once sl_v inthash(sl_v a) sl_constfn; u32int int64to32hash(u64int key) sl_constfn; u64int memhash(const char* buf, usize n);