/*
VIM: let b:lcppflags="-std=c++11 -O2 -pthread"
VIM: let b:wcppflags="/O2 /EHsc /DWIN32"
VIM: let b:argv=""
*/
#include <iostream>
#include <exception>
#include <string>

void a( std::string&& s )
{
    std::cout << " by value " << std::endl;
}

void a( const std::string& s )
{
    std::cout << " const ref " << std::endl;
}


int main ( void )
{try{
    std::string s = "bbbbbb";

    a(s);
    a(std::string("aaaa"));

    return 0;
}
catch ( const std::exception& e )
{
    std::cerr << std::endl
            << "std::exception(\"" << e.what() << "\")." << std::endl;
    return 2;
}
catch ( ... )
{
    std::cerr  << std::endl
            << "unknown exception." << std::endl;
    return 1;
}}