{

std::vector<std::string> r;

for (unsigned i = 0; i < size; ++i)

r.push_back(array[i]);

return r;

{

boost::optional<int> foo, bar, baz;

po::options_description desc;

desc.add_options()

("foo,f", po::value(&foo), "")

("bar,b", po::value(&bar), "")

("baz,z", po::value(&baz), "")

;

const char* cmdline1_[] = { "--foo=12", "--bar", "1"};

std::vector<std::string> cmdline1 = sv(cmdline1_,

sizeof(cmdline1_)/sizeof(const char*));

po::variables_map vm;

po::store(po::command_line_parser(cmdline1).options(desc).run(), vm);

po::notify(vm);

BOOST_REQUIRE(!!foo);

BOOST_CHECK(*foo == 12);

BOOST_REQUIRE(!!bar);

BOOST_CHECK(*bar == 1);

BOOST_CHECK(!baz);

{

test_optional();

return 0;