static CanceledETTaskCache()
{
var promise = new ETTaskCompletionSource <T>();
promise.TrySetCanceled();
Task = new ETTask <T>(promise);
}
static CanceledETTaskCache()
{
ETTaskCompletionSource tcs = new ETTaskCompletionSource();
tcs.TrySetCanceled();
Task = tcs.Task;
}
// 3. SetException
//[DebuggerHidden]
public void SetException(Exception exception)
{
if (promise == null)
{
promise = new ETTaskCompletionSource();
}
if (exception is OperationCanceledException ex)
{
promise.TrySetCanceled(ex);
}
else
{
promise.TrySetException(exception);
}
}