ref: 300cfb6caacb43cbe98e61d2d0e4e071fb507f75 dir: /src/hashing.h/
#pragma once 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);