From 05c44d23abd2ae9454bdeb3c134983eae4c905e6 Mon Sep 17 00:00:00 2001
From: Seulgi Kim <dev@seulgi.kim>
Date: Sun, 8 Oct 2017 00:00:04 +0900
Subject: [PATCH 1/3] Fix typos in example.

---
 CppCoreGuidelines.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 2bd16cc..2688f1c 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -1021,7 +1021,7 @@ Time and space that you spend well to achieve a goal (e.g., speed of development
         x.ch = 'a';
         x.s = string(n);    // give x.s space for *p
         for (int i = 0; i < x.s.size(); ++i) x.s[i] = buf[i];  // copy buf into x.s
-        delete buf;
+        delete[] buf;
         return x;
     }
 
@@ -16243,7 +16243,7 @@ and should be used only as building blocks for meaningful concepts, rather than
     template<typename T>
     concept Addable = has_plus<T>;    // bad; insufficient
 
-    template<Addable N> auto algo(const N& a, const N& b) // use two numbers
+    template<Addable N> auto plus(const N& a, const N& b) // use two numbers
     {
         // ...
         return a + b;
@@ -16273,7 +16273,7 @@ The ability to specify a meaningful semantics is a defining characteristic of a
                      && has_multiply<T>
                      && has_divide<T>;
 
-    template<Number N> auto algo(const N& a, const N& b) // use two numbers
+    template<Number N> auto plus(const N& a, const N& b) // use two numbers
     {
         // ...
         return a + b;

From 17f76d0258786c3d013e1c527666767d6ea2be54 Mon Sep 17 00:00:00 2001
From: Andrew Pardoe <AndrewPardoe@users.noreply.github.com>
Date: Mon, 23 Oct 2017 11:20:37 -0700
Subject: [PATCH 2/3] Update CppCoreGuidelines.md

---
 CppCoreGuidelines.md | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 2688f1c..187f929 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -16243,7 +16243,7 @@ and should be used only as building blocks for meaningful concepts, rather than
     template<typename T>
     concept Addable = has_plus<T>;    // bad; insufficient
 
-    template<Addable N> auto plus(const N& a, const N& b) // use two numbers
+    template<Addable N> auto algo(const N& a, const N& b) // use two numbers
     {
         // ...
         return a + b;
@@ -16273,7 +16273,7 @@ The ability to specify a meaningful semantics is a defining characteristic of a
                      && has_multiply<T>
                      && has_divide<T>;
 
-    template<Number N> auto plus(const N& a, const N& b) // use two numbers
+    template<Number N> auto algo(const N& a, const N& b) // use two numbers
     {
         // ...
         return a + b;
@@ -16281,11 +16281,11 @@ The ability to specify a meaningful semantics is a defining characteristic of a
 
     int x = 7;
     int y = 9;
-    auto z = plus(x, y);   // z = 18
+    auto z = algo(x, y);   // z = 18
 
     string xx = "7";
     string yy = "9";
-    auto zz = plus(xx, yy);   // error: string is not a Number
+    auto zz = algo(xx, yy);   // error: string is not a Number
 
 ##### Note
 

From 19d7fb14214eb92907c0c37df5e8c08ed9362b70 Mon Sep 17 00:00:00 2001
From: Andrew Pardoe <AndrewPardoe@users.noreply.github.com>
Date: Mon, 23 Oct 2017 11:22:02 -0700
Subject: [PATCH 3/3] Update CppCoreGuidelines.md

---
 CppCoreGuidelines.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 187f929..e67da73 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -16251,11 +16251,11 @@ and should be used only as building blocks for meaningful concepts, rather than
 
     int x = 7;
     int y = 9;
-    auto z = plus(x, y);   // z = 16
+    auto z = algo(x, y);   // z = 16
 
     string xx = "7";
     string yy = "9";
-    auto zz = plus(xx, yy);   // zz = "79"
+    auto zz = algo(xx, yy);   // zz = "79"
 
 Maybe the concatenation was expected. More likely, it was an accident. Defining minus equivalently would give dramatically different sets of accepted types.
 This `Addable` violates the mathematical rule that addition is supposed to be commutative: `a+b == b+a`.