public override Task <int> Accept(IReservationsInstrHandler handler)
{
return(handler.Handle(this));
}
public static async Task <TResult> Run <TResult>(this ReservationsProgram <TResult> prg, IReservationsInstrHandler handler)
{
var result = default(TResult);
var done = false;
while (!done)
{
switch (prg)
{
case Return <TResult> ret:
result = ret.Result;
done = true;
break;
case Delay <TResult> delay:
prg = delay.Func();
break;
case Await <TResult> _await:
prg = await _await.Accept(handler);
break;
default:
throw new NotSupportedException($"{prg.GetType().Name}");
}
}
return(result);
}
public override Task <IReadOnlyCollection <Reservation> > Accept(IReservationsInstrHandler handler)
{
return(handler.Handle(this));
}
public abstract Task <ReservationsProgram <TResult> > Accept(IReservationsInstrHandler handler);
