protected override void Main()
{
TraceDescription(Instructions.MulticastLab);
int current = 0;
IObservable<int> source = Observable
.Interval(TimeSpan.FromSeconds(1))
.Select(_ => current++)
.Multicast(() => new ReplaySubject<int>())
.RefCount();
using (var disposables = new CompositeDisposable())
{
do
{
var key = WaitForKey();
switch (key.KeyChar)
{
case '+':
case '=':
var id = (char)('A' + disposables.Count);
var subscription = source.Subscribe(ConsoleOutput(id.ToString()));
disposables.Add(subscription);
break;
case '-':
case '_':
if (disposables.Count > 0)
{
disposables.Remove(disposables.Last());
}
break;
default:
return;
}
}
while (true);
}
}