private static IntRange ParseQualityRange(string arg)
{
if (arg.Contains('-'))
{
var split = arg.Split(new char[] { '-' }, 2);
if (split.Length < 2)
{
throw new FormatException("Invalid quality range.");
}
return(new IntRange(int.Parse(split[0]), int.Parse(split[1])));
}
else
{
return(IntRange.Only(int.Parse(arg)));
}
}
