From 720bbf60ef183832057933201ed531cf10b6ae97 Mon Sep 17 00:00:00 2001
From: Ornithologist Coder <ornithocoder@users.noreply.github.com>
Date: Wed, 16 Aug 2017 15:51:20 +0200
Subject: [PATCH] Update Rules.md

after changes introduced by #1761.
---
 Rules.md | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/Rules.md b/Rules.md
index d335bd6280..9c89471360 100644
--- a/Rules.md
+++ b/Rules.md
@@ -8223,6 +8223,26 @@ let foo: Int -> ()
 
 ```
 
+```swift
+func foo() -> ()?
+
+```
+
+```swift
+func foo() -> ()!
+
+```
+
+```swift
+func foo() -> Void?
+
+```
+
+```swift
+func foo() -> Void!
+
+```
+
 </details>
 <details>
 <summary>Triggering Examples</summary>