UniRx 에셋 추가

Gameton-06/Assets/Plugins/UniRx/Scripts/Operators/Defer.cs

@@ -0,0 +1,64 @@
+using System;
+
+namespace UniRx.Operators
+{
+    internal class DeferObservable<T> : OperatorObservableBase<T>
+    {
+        readonly Func<IObservable<T>> observableFactory;
+
+        public DeferObservable(Func<IObservable<T>> observableFactory)
+            : base(false)
+        {
+            this.observableFactory = observableFactory;
+        }
+
+        protected override IDisposable SubscribeCore(IObserver<T> observer, IDisposable cancel)
+        {
+            observer = new Defer(observer, cancel);
+
+            IObservable<T> source;
+            try
+            {
+                source = observableFactory();
+            }
+            catch (Exception ex)
+            {
+                source = Observable.Throw<T>(ex);
+            }
+
+            return source.Subscribe(observer);
+        }
+
+        class Defer : OperatorObserverBase<T, T>
+        {
+            public Defer(IObserver<T> observer, IDisposable cancel) : base(observer, cancel)
+            {
+            }
+
+            public override void OnNext(T value)
+            {
+                try
+                {
+                    base.observer.OnNext(value);
+                }
+                catch
+                {
+                    Dispose();
+                    throw;
+                }
+            }
+
+            public override void OnError(Exception error)
+            {
+                try { observer.OnError(error); }
+                finally { Dispose(); }
+            }
+
+            public override void OnCompleted()
+            {
+                try { observer.OnCompleted(); }
+                finally { Dispose(); }
+            }
+        }
+    }
+}