Refactoring with C++ 11

Question

Given the new toolset provided by c++ lots of programmers, aiming at code simplification, expressiveness, efficiency, skim through their old code and make tweaks (some point

Answer 1

Feature: std::move

"Express clear difference between the copying and moving the resources"

std::string tmp("move");
std::vector v;
v.push_back(std::move(tmp));
//At this point tmp still be the valid object but in unspecified state as
// its resources has been moved and now stored in vector container.