From 45376bb6b20adbf1bd2db0e9aea458a6fd825024 Mon Sep 17 00:00:00 2001
From: luav <luardev@gmail.com>
Date: Sun, 15 Oct 2017 10:06:01 +0200
Subject: [PATCH] Example CP.4 (task vs thread)

---
 CppCoreGuidelines.md | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 5ef36ae..ecf7f48 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -13393,8 +13393,29 @@ Application concepts are easier to reason about.
 
 ##### Example
 
-    ???
-
+    void publish(std::string* msg)
+    {
+        // ...
+        *msg = "Hello";
+        // ...
+    }
+    
+    void manual_publishing(std::string* msg)
+    {
+	    // Incapsulates thread functionality into the application task
+        std::thread publisher(publish, &msg);
+        publisher.join();
+    }
+    
+    void some_fun() {
+        std::string  msg;
+        std::thread publisher(publish, &msg);     // bad (less expressive and more error-prone)
+        auto pubtask = std::sync(publish, &msg);  // OK
+        manual_publishing(&msg);                  // OK (manually crafted task)
+        // ...
+        publisher.join();
+    }
+    
 ##### Note
 
 With the exception of `async()`, the standard-library facilities are low-level, machine-oriented, threads-and-lock level.