public void CouldUseRepeatWithKeyCursor()
{
SortedMap <int, double> sm1 = new SortedMap <int, double>();
SortedMap <int, double> sm2 = new SortedMap <int, double>();
var count = 10;
for (int i = 1; i <= count; i++)
{
if (i % 2 != 0)
{
sm1.Add(i, i);
}
else
{
sm2.Add(i, i);
}
}
// this fails
var marketdata = sm1.RepeatWithKey().Zip(sm2.RepeatWithKey()).ToArray();
// but this works
//var marketdata2 = sm1.RepeatWithKey().Zip(sm2.RepeatWithKey(), (t1, t2) => (t1, t2)).ToArray();
foreach (var x in marketdata)
{
Console.WriteLine($"{x.Key} - {x.Value.Item1.Item1} - {x.Value.Item1.Item2} - {x.Value.Item2.Item1} - {x.Value.Item2.Item2}");
}
}