private static void MeasureAverageCalc(string header, IStockTradeHistory sth)
{
watch.Restart();
sth.GetAverages();
long mSecs = watch.ElapsedMilliseconds;
Console.WriteLine($"{header} took {mSecs} msecs.");
}
private static void PrintAverages(string header, IStockTradeHistory sth)
{
Console.WriteLine(header);
foreach (var average in sth.GetAverages())
{
Console.WriteLine($"{average.Key} @ {average.Value:F3}");
}
Console.WriteLine();
}