From fe3e83e64892d5325fe83381447eaf1ef4c0e623 Mon Sep 17 00:00:00 2001
From: Eisenwave <me@eisenwave.net>
Date: Sun, 25 Jun 2023 05:40:24 +0200
Subject: [PATCH] fix memory leak in example of C.66 (#2096)

---
 CppCoreGuidelines.md | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 5faec17..3b89296 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -6436,8 +6436,13 @@ A non-throwing move will be used more efficiently by standard-library and langua
     template<typename T>
     class Vector {
     public:
-        Vector(Vector&& a) noexcept :elem{a.elem}, sz{a.sz} { a.sz = 0; a.elem = nullptr; }
-        Vector& operator=(Vector&& a) noexcept { elem = a.elem; sz = a.sz; a.sz = 0; a.elem = nullptr; }
+        Vector(Vector&& a) noexcept :elem{a.elem}, sz{a.sz} { a.elem = nullptr; a.sz = 0; }
+        Vector& operator=(Vector&& a) noexcept {
+            delete elem;
+            elem = a.elem; a.elem = nullptr;
+            sz   = a.sz;   a.sz   = 0;
+            return *this;
+        }
         // ...
     private:
         T* elem;