ref: 9ae12fa984b9bc0eb0a33f9c0cf5b4ebd47ecd6d
dir: /hash.h/
typedef union Hkey Hkey; union Hkey { void *p; int v; }; typedef struct Hmap Hmap; struct Hmap { uvlong (*hash)(void*); int (*cmp)(void*,void*); int nbs; int nsz; int len; int cap; uchar *nodes; };