fix: parameterize wrap method on Zone (#542)

angular · Dec 13, 2016 · f522e1b · f522e1b
1 parent b1e2062
commit f522e1b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/zone.ts b/lib/zone.ts
@@ -177,7 +177,7 @@ interface Zone {
    * @param source A unique debug location of the API being wrapped.
    * @returns {function(): *} A function which will invoke the `callback` through [Zone.runGuarded].
    */
-  wrap(callback: Function, source: string): Function;
+  wrap<F extends Function>(callback: F, source: string): F;
   /**
    * Invokes a function in a given zone.
    *