From 740e71ecf884de1c136936a34ba69ce971af71e6 Mon Sep 17 00:00:00 2001
From: stefanhige <53568357+stefanhige@users.noreply.github.com>
Date: Mon, 18 Oct 2021 05:12:02 +0200
Subject: [PATCH]  C.147: Add missing example. (#1835)

---
 CppCoreGuidelines.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 33d649a..1c79463 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -8063,7 +8063,10 @@ Casting to a reference expresses that you intend to end up with a valid object,
 
 ##### Example
 
-    ???
+    std::string f(Base& b)
+    {
+        return dynamic_cast<Derived&>(b).to_string();
+    }
 
 ##### Enforcement