From 308547c0703ac253e08d166626ff4e04d2e2e179 Mon Sep 17 00:00:00 2001
From: Nicholas Jamieson <nicholas@cartant.com>
Date: Mon, 30 Jul 2018 06:30:37 +1000
Subject: [PATCH] chore(find): fix compat signatures

---
 compat/operator/find.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/compat/operator/find.ts b/compat/operator/find.ts
index ca1dbe5cd8..fdf4a40498 100644
--- a/compat/operator/find.ts
+++ b/compat/operator/find.ts
@@ -4,10 +4,10 @@ import { find as higherOrder } from 'rxjs/operators';
 /* tslint:disable:max-line-length */
 export function find<T, S extends T>(this: Observable<T>,
                                      predicate: (value: T, index: number) => value is S,
-                                     thisArg?: any): Observable<S>;
+                                     thisArg?: any): Observable<S | undefined>;
 export function find<T>(this: Observable<T>,
                         predicate: (value: T, index: number) => boolean,
-                        thisArg?: any): Observable<T>;
+                        thisArg?: any): Observable<T | undefined>;
 /* tslint:enable:max-line-length */
 
 /**
@@ -44,6 +44,6 @@ export function find<T>(this: Observable<T>,
  * @owner Observable
  */
 export function find<T>(this: Observable<T>, predicate: (value: T, index: number, source: Observable<T>) => boolean,
-                        thisArg?: any): Observable<T> {
+                        thisArg?: any): Observable<T | undefined> {
   return higherOrder(predicate, thisArg)(this);
 }