update

Packages/com.arongranberg.astar/Core/Sync/Promise.cs

@@ -0,0 +1,48 @@
+using Unity.Jobs;
+
+namespace Pathfinding.Sync {
+	public interface IProgress {
+		float Progress { get; }
+	}
+
+	/// <summary>
+	/// A promise that T is being calculated asynchronously.
+	///
+	/// The result can be accessed by calling <see cref="Complete"/>. This will block until the calculation is complete.
+	/// </summary>
+	public struct Promise<T>: IProgress, System.IDisposable where T : IProgress, System.IDisposable {
+		public JobHandle handle;
+		T result;
+
+		public Promise(JobHandle handle, T result) {
+			this.handle = handle;
+			this.result = result;
+		}
+
+		public bool IsCompleted {
+			get {
+				return handle.IsCompleted;
+			}
+		}
+
+		public float Progress {
+			get {
+				return result.Progress;
+			}
+		}
+
+		public T GetValue () {
+			return result;
+		}
+
+		public T Complete () {
+			handle.Complete();
+			return result;
+		}
+
+		public void Dispose () {
+			Complete();
+			result.Dispose();
+		}
+	}
+}