/// <summary>
/// Parallel.ss contains a "test" function that evaluates three expressions in parallel, using the "parallel" primitive.
/// Each one sleeps asynchronously 100 milliseconds before finishing.
/// So at first the evaluation is not completed.
/// After the wait, they all should be completed.
/// The result of the test function is a list of the completion results of the three evaluations.
/// This illustrates retrieving the async result after completion.
/// </summary>
public static void Main()
{
interp = Interpreter.New(new[] { "parallel.ss" });
var startTime = DateTime.Now;
IAsyncResult res = interp.BeginEval(interp.Read("(test)"), null, null);
Console.WriteLine("Completed: {0}", res.IsCompleted);
res.AsyncWaitHandle.WaitOne();
Console.WriteLine("Completed: {0} in {1} ms", res.IsCompleted, (DateTime.Now - startTime).Milliseconds);
Console.WriteLine("Result: {0}", ((AsyncResult<SchemeObject>)res).Result);
Console.ReadLine();
}
private static bool isComplete; // = false;
#endregion Fields
#region Methods
/// <summary>
/// Async.ss uses System.Net.WebRequest to (asynchronously) fetch a web page (in the function get-content).
/// Since it is asynchronous, it has not completed when the evaluation returns.
/// After completion, the callback ShowResult is called, which displays the page contents.
/// This allows the main method to proceed.
/// While it is executing, get-content displays the number of bytes in each read that it does.
/// </summary>
public static void Main()
{
interp = Interpreter.New(new[] { "async.ss" });
IAsyncResult res = interp.BeginEval(interp.Read(@"(get-content ""http://microsoft.com"")"), ShowResult, null);
Console.WriteLine("Completed: {0}", res.IsCompleted);
while (isComplete == false)
{
Thread.Sleep(100);
}
Console.WriteLine("Completed: {0}", res.IsCompleted);
Console.ReadLine();
}