public static Future <R> compute <Q, R>(ComputeCallback <Q, R> callback, Q message, string debugLabel = null)
{
var completer = Completer.create();
var isolate = Isolate.current;
var backgroundWorker = new BackgroundWorker();
backgroundWorker.DoWork += (sender, args) => { args.Result = callback((Q)args.Argument); };
backgroundWorker.RunWorkerCompleted += (o, a) => {
if (!isolate.isValid)
{
return;
}
using (Isolate.getScope(isolate)) {
if (a.Error != null)
{
completer.completeError(a.Error);
}
else
{
completer.complete(FutureOr.value((R)a.Result));
}
}
};
backgroundWorker.RunWorkerAsync(message);
return(completer.future.to <R>());
}
static void Main(string[] args)
{
ComputeCallback callback = x =>
{
Console.WriteLine("Computing. X = {0}", x);
return(x * x);
};
Console.WriteLine("Result: {0}", Sum(callback));
}
public static extern int Sum(ComputeCallback callback);
