From 9c238c0170743e40b8c3c59439ad3693f1a18816 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lu=C3=ADs=20Gabriel=20Lima?= <lampih@gmail.com>
Date: Sat, 10 Oct 2015 15:31:45 -0300
Subject: [PATCH] fix(interval): fix signature type

---
 src/Observable.ts                     | 2 +-
 src/observables/IntervalObservable.ts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Observable.ts b/src/Observable.ts
index 58ed363056..2502c755b9 100644
--- a/src/Observable.ts
+++ b/src/Observable.ts
@@ -141,7 +141,7 @@ export default class Observable<T> implements CoreOperators<T>  {
   static fromEvent: <T>(element: any, eventName: string, selector: (...args:Array<any>) => T) => Observable<T>;
   static fromEventPattern: <T>(addHandler: (handler:Function)=>void, removeHandler: (handler:Function) => void, selector?: (...args:Array<any>) => T) => Observable<T>;
   static fromPromise: <T>(promise: Promise<T>, scheduler?: Scheduler) => Observable<T>;
-  static interval: (interval: number) => Observable<number>;
+  static interval: (interval: number, scheduler?: Scheduler) => Observable<number>;
   static merge: (...observables:any[]) => Observable<any>;
   static never: <T>() => Observable<T>;
   static of: <T>(...values: (T | Scheduler)[]) => Observable<T>;
diff --git a/src/observables/IntervalObservable.ts b/src/observables/IntervalObservable.ts
index abc2836eb1..4cc2da26b7 100644
--- a/src/observables/IntervalObservable.ts
+++ b/src/observables/IntervalObservable.ts
@@ -5,7 +5,7 @@ import nextTick from '../schedulers/nextTick';
 
 export default class IntervalObservable<T> extends Observable<T> {
 
-  static create(period: number = 0, scheduler: Scheduler = nextTick) {
+  static create(period: number = 0, scheduler: Scheduler = nextTick): Observable<number> {
     return new IntervalObservable(period, scheduler);
   }