1. Both of "const reference" and "right reference" can associate with the object returned by function

2. the object's life returned by function is extended by reference, same to the reference

Author: wintel2014

C++/C++11/Reference/Makefile

@@ -0,0 +1,2 @@
+all:
+	g++ reference_lifecycle.cpp -std=c++11  -fno-elide-constructors -o reference_lifecycle_noRVO

C++/C++11/Reference/reference_lifecycle.cpp

@@ -0,0 +1,44 @@
+#include <iostream>
+using namespace std;
+
+int g_constructCount=0;
+int g_copyConstructCount=0;
+int g_destructCount=0;
+struct A
+{
+    A(){
+        cout<<"["<<this<<"]"<<" construct: "<<++g_constructCount<<endl;    
+    }
+    
+    A(const A& a)
+    {
+        cout<<"copy construct: "<<++g_copyConstructCount <<&a<<"->"<<this<<endl;
+    }
+    ~A()
+    {
+        cout<<"["<<this<<"]"<<" destruct: "<<++g_destructCount<<endl;
+    }
+};
+
+A GetA()
+{
+    A a;
+    return a;
+}
+
+int main() {
+/*  error: invalid initialization of non-const reference of type ¡®A&¡¯ from an rvalue of type ¡®A¡¯
+    A& a = GetA();
+*/
+/*
+[0x7ffc9e450d9f] construct: 1
+copy construct: 10x7ffc9e450d9f->0x7ffc9e450dcf
+[0x7ffc9e450d9f] destruct: 1
+copy construct: 20x7ffc9e450dcf->0x7ffc9e450dce
+[0x7ffc9e450dcf] destruct: 2
+[0x7ffc9e450dce] destruct: 3
+    A a = GetA();
+*/
+    A&& a = GetA();
+    return 0;
+}