前端代码

node_modules/rx/ts/core/checkedobserver.ts

@@ -0,0 +1,15 @@
+/// <reference path="./observer-lite.ts" />
+module Rx {
+    export interface CheckedObserver<T> extends Observer<T> {
+        checkAccess(): void;
+    }
+}
+
+
+(function() {
+    var iObserver: Rx.IObserver<number>;
+    var checkedObserver: Rx.CheckedObserver<number>;
+
+    iObserver = checkedObserver;
+    checkedObserver.checkAccess();
+});