hash.c:179
static VALUE hash_alloc _((VALUE));
static VALUE
hash_alloc(klass)
    VALUE klass;
{
    NEWOBJ(hash, struct RHash);
    OBJSETUP(hash, klass, T_HASH);

    hash->ifnone = Qnil;
    hash->tbl = st_init_table(&objhash);

    return (VALUE)hash;
}
