Function lua_next

src/Chain/libraries/glua/lapi.cpp:1211–1225

LUA_API int lua_next(lua_State *L, int idx) {
    StkId t;
    int more;
    lua_lock(L);
    t = index2addr(L, idx);
    api_check(L, ttistable(t), "table expected");
    more = luaH_next(L, hvalue(t), L->top - 1);
    if (more) {
        api_incr_top(L);
    }
    else  /* no more elements */
        L->top -= 1;  /* remove key */
    lua_unlock(L);
    return more;
}


LUA_API void lua_concat(lua_State *L, int n) {