A collection of personal notes and thoughts on rvalue references, their role in move semantics and how they can significantly increase the performance of your applications.

C++ rvalue references and move semantics for beginners

by Triangles @ internalpointers.com

From the article:

In my previous article Understanding the meaning of lvalues and rvalues in C++ I had the chance to explain to myself the logic behind rvalues. The core idea is that in C++ you will find such temporary, short-lived values that you cannot alter in any way.

Surprisingly, modern C++ (C++0x and greater) has introduced rvalue references: a new type that can bind to temporary objects, giving you the ability to modify them. Why?