c# Use of Tuples vs Out for return multiple values

Use OUT to return multiple values

	int number;
	double mean = ComputeMean(scores, out number);
	private static double ComputeMean(Tuple<string, Nullable<int>>[] scores, out int n)
	{
	n = 0;
	int sum = 0;
	foreach (var score in scores)
	{
	if (score.Item2.HasValue)
	{
	n += 1;
	sum += score.Item2.Value;
	}
	}
	if (n > 0)
	return sum / (double) n;
	else
	return 0;
	}

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Use Tuple to return multiple values

	private static Tuple<int, int> IntegerDivide(int dividend, int divisor)
	{
	try {
	int remainder;
	int quotient = Math.DivRem(dividend, divisor, out remainder);
	return new Tuple<int, int>(quotient, remainder);
	}
	catch (DivideByZeroException) {
	return null;
	}
	}

view raw TupleEvaluateDivide.cs hosted with ❤ by GitHub