2025-01-12 20:40:48 +08:00

30 lines
771 B
C++

// Copyright Jason Rice 2015
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
#include <boost/hana/assert.hpp>
#include <boost/hana/experimental/printable.hpp>
#include <boost/hana/integral_constant.hpp>
#include <boost/hana/optional.hpp>
#include <sstream>
namespace hana = boost::hana;
int main() {
{
std::ostringstream ss;
ss << hana::experimental::print(
hana::just(hana::int_c<5>)
);
BOOST_HANA_RUNTIME_CHECK(ss.str() == "just(5)");
}
{
std::ostringstream ss;
ss << hana::experimental::print(
hana::nothing
);
BOOST_HANA_RUNTIME_CHECK(ss.str() == "nothing");
}
}