What is the use of const rvalue references? [duplicate]

What is the use of const rvalue references? [duplicate]



1.A Brief Introduction to Rvalue References

Description:Rvalue references allow programmers to avoid logically
unnecessary copying and to provide perfect forwarding functions. They are
primarily meant to aid in the design ...



2.Rvalue Reference Quick Look - open-std.org

Description:A Brief Introduction to Rvalue References ... To solve that
problem, we could use non-const parameters in our factory functions:
template <class T, ...



3.Rvalue Reference Declarator: &&

Description:Function templates deduce their template argument types and
then use reference collapsing rules. ... // rvalue reference (T&&), and
const rvalue reference (const T&&).



4.Lvalues and Rvalues

Description:Code Syntax: Snippet



5.Rvalue References and Move Semantics in C++11 ...

Description:type-id && cast-expression



6.c++ - C++0x const RValue reference as function parameter ...

Description:



7.C++11

Description:Related Topics: How to: Write a Move Constructor · Expressions
with Unary Operators



8.rvalue reference - open-std.org

Description:All variables, including nonmodifiable (const) variables, are
lval ... ... Rvalue Reference Declarator: && ... Terms of Use; Trademarks
© 2014 ...



9.Move Semantics, Rvalue References, Perfect Forwarding

Description:Learn how to use rvalue references to create move constructors
and move assignment operators to take ... , although you'll rarely see a
const rvalue reference ...



10.Rvalue-references: the basics

Description:I am trying to understand why someone would write a function
that takes a const rvalue reference. ... a duplicate, the question about
... use for const rvalue ...