Function lua_next

Source/Misc/lua/src/lua.c:2822–2836

LUA_API int lua_next (lua_State *L, int idx) {
StkId t;
int more;
lua_lock(L);
t = index2adr(L, idx);
api_check(L, ttistable(t));
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) {