Merge pull request #1780 from kwonoj/subject-optional

fix(Subject): allow type definition to next value optionally
ReactiveX · Jun 21, 2016 · 57d64cb · 57d64cb
2 parents 8e727cd + 3e0c6d9
commit 57d64cb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Subject.ts b/src/Subject.ts
@@ -49,7 +49,7 @@ export class Subject<T> extends Observable<T> implements ISubscription {
     return <any>subject;
   }
 
-  next(value: T) {
+  next(value?: T) {
     if (this.isUnsubscribed) {
       throw new ObjectUnsubscribedError();
     }