Function rehash

src/Chain/libraries/glua/ltable.cpp:512–529

** nums[i] = number of keys 'k' where 2^(i - 1) < k <= 2^i */

** nums[i] = number of keys 'k' where 2^(i - 1) < k <= 2^i
*/
static void rehash(lua_State *L, Table *t, const TValue *ek) {
    unsigned int asize;  /* optimal size for array part */
    unsigned int na;  /* number of keys in the array part */
    unsigned int nums[MAXABITS + 1];
    int i;
    int totaluse;
    for (i = 0; i <= MAXABITS; i++) nums[i] = 0;  /* reset counts */
    na = numusearray(t, nums);  /* count keys in array part */
    totaluse = na;  /* all those keys are integer keys */
    totaluse += numusehash(t, nums, &na);  /* count keys in hash part */
    /* count extra key */
    na += countint(ek, nums);
    totaluse++;
    /* compute new size for array part */
    asize = computesizes(nums, &na);
    /* resize the table to new computed sizes */
    luaH_resize(L, t, asize, totaluse - na);
}