template <class T>
bool x(T y, unsigned int count, ...)
{
    va_list v;
    va_start(v, count);

    for (unsigned int i = 0; i < count; i++)
    {
        T arg = va_arg(v, T);
        if (y == arg)
        {
            va_end(v);
            return true;
        }
    }
    va_end(v);
    return false;
}