private static void Swap(this byName f, long i, long j)
{
f[i] = f[j];
f[j] = f[i];
}
private static bool Less(this byName f, long i, long j)
{
return(f[i].name < f[j].name);
}
private static long Len(this byName f)
{
return(len(f));
}
