private static IEnumerable <SubSomething> YieldReturnLoopCore(IEnumerable <Something> source)
{
foreach (Something val in source)
{
SubSomething subVal = val as SubSomething;
if (subVal != null)
{
yield return(subVal);
}
}
}
private static IEnumerable <Something> GenerateTestInput()
{
List <Something> data = new List <Something>();
foreach (int i in Enumerable.Range(0, 1000000))
{
Something item = new Something();
if (i % 2 == 0)
{
item = new SubSomething();
}
data.Add(item);
}
return(data);
}
