ref: 55b73ae9d6016819d0f17a3b0ac4b10d0f34ee80 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);