public void Receive_PostAndReply2()
{
// Given
var mb = MailboxProcessor.Start<IReplyChannel<int?>>(async inbox =>
{
var msg = await inbox.Receive();
msg.Reply(100);
var msg2 = await inbox.Receive();
msg2.Reply(200);
});
// When
var result1 = mb.PostAndReply<int?>(channel => channel);
var result2 = mb.PostAndReply<int?>(channel => channel);
// Then
Assert.Equal(100, result1);
Assert.Equal(200, result2);
}