feat(find): support type guards without casting

ReactiveX · Nov 7, 2016 · 9058bf6 · 9058bf6
1 parent 68b7922
commit 9058bf6
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/operator/find.ts b/src/operator/find.ts
@@ -36,8 +36,10 @@ import { Subscriber } from '../Subscriber';
  * @owner Observable
  */
 /* tslint:disable:max-line-length */
-export function find<T>(this: Observable<T>, predicate: (value: T, index: number, source: Observable<T>) => boolean, thisArg?: any): Observable<T>;
-export function find<T, S extends T>(this: Observable<T>, predicate: (value: T, index: number, source: Observable<T>) => value is S, thisArg?: any): Observable<S>;
+export function find<T, S extends T>(this: Observable<T>,
+                                     predicate: ((value: T, index: number, source: Observable<T>) => boolean) |
+                                                ((value: T, index: number, source: Observable<T>) => value is S),
+                                     thisArg?: any): Observable<S>;
 /* tslint:disable:max-line-length */
 export function find<T>(this: Observable<T>, predicate: (value: T, index: number, source: Observable<T>) => boolean,
                         thisArg?: any): Observable<T> {