fail.cc

/*
 * compile with: eg++ -std=c++11 fail.cc
 * fails:
 * fail.cc: In function 'std::vector<std::basic_string<char> > to_options()':
 * fail.cc:13:5: error: converting to 'std::tuple<unsigned int,
 * std::basic_string<char, std::char_traits<char>, std::allocator<char> > >'
 * from initializer list would use explicit constructor
 * 'constexpr std::tuple<_T1, _T2>::tuple(_U1&&, _U2&&)
 * [with _U1 = int; _U2 = const char (&)[9];
 * <template-parameter-2-3> = void;
 * _T1 = unsigned int; _T2 = std::basic_string<char>]'
 */

#include <string>
#include <vector>
#include <set>
#include <cstdint>
#include <tuple>
#include <sys/mount.h>


using namespace std;

vector<string> to_options(void)
{
    static vector<tuple<unsigned int, string>> const flags = {
	{ MNT_RDONLY,	    "readonly" },
    };
}