MESSAGE
| DATE | 2017-05-07 |
| FROM | ruben safir
|
| SUBJECT | Subject: [Hangout of NYLXS] Fwd: &&
|
What is the purpose of the double ampersand in this use of auto
http://en.cppreference.com/w/cpp/container/vector/push_back
#include
#include
#include
int main()
{
std::vector numbers;
numbers.push_back("abc");
std::string s = "def";
numbers.push_back(std::move(s));
std::cout << "vector holds: ";
for (auto &&i : numbers) std::cout << std::quoted(i) << ' ';
std::cout << "\nMoved-from string holds " << std::quoted(s) << '\n';
}
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