Function lua_isinteger

CodeFormatLib/src/LuaJIT-Compact.cpp:4–11

#ifdef LUAJIT
int lua_isinteger(lua_State *L, int idx) {
    if (lua_type(L, idx) == LUA_TNUMBER)
    {
        lua_Number n = lua_tonumber(L, idx);
        return n == (lua_Integer)n;
    }
    return 0;
}

int luaL_len(lua_State *L, int idx) {
    return lua_objlen(L, idx);