ref: f83efa2aed9e735236eb862c99aa6eb33d6fc0e5
dir: /src/hashing.h/
#pragma once value_t nextipow2(value_t i) fl_constfn; value_t inthash(value_t a) fl_constfn; uint32_t int64to32hash(uint64_t key) fl_constfn; uint64_t memhash(const char* buf, size_t n); uint32_t memhash32(const char* buf, size_t n);