- Added code

source/eventy/promise.d

@@ -1,2 +1,70 @@
 module eventy.promise;
 
+import eventy.engine : Engine;
+import eventy.task : Task;
+import core.thread : Thread, Duration, dur;
+
+/** 
+ * The state pf the promise
+ */
+public enum PromiseState
+{
+    /** 
+     * The promise has been created but not yet run
+     */
+    CREATED,
+
+    /** 
+     * The promise is running
+     */
+    RUNNING,
+
+    /** 
+     * The promise has finished running
+     */
+    FINISHED
+}
+
+public class Promise : Thread
+{
+    /* Our registered engine to report to */
+    private Engine engine;
+
+    private PromiseState state;
+    private Task task;
+
+    this(Engine engine, Task task)
+    {
+        // Register this promise with the provided engine
+        this.engine = engine;
+
+        // Set our task to execute
+        this.task = task;
+
+        // Our state is created
+        this.state = PromiseState.CREATED;
+    }
+
+    /** 
+     * Runs the provided task in a seperate thread
+     */
+    private void worker()
+    {
+        // TODO: Task.execute() call here
+    }
+
+    public final void execute()
+    {
+
+    }
+
+    public final void await()
+    {
+        await(dur!("seconds")(0));
+    }
+
+    public final void await(Duration timeout)
+    {
+
+    }
+}