1 // Copyright Louis Dionne 2013-2017 2 // Distributed under the Boost Software License, Version 1.0. 3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) 4 5 #include <boost/hana/assert.hpp> 6 #include <boost/hana/experimental/printable.hpp> 7 #include <boost/hana/integral_constant.hpp> 8 #include <boost/hana/pair.hpp> 9 10 #include <sstream> 11 namespace hana = boost::hana; 12 13 main()14int main() { 15 { 16 std::ostringstream ss; 17 ss << hana::experimental::print( 18 hana::make_pair(1, hana::int_c<1>) 19 ); 20 BOOST_HANA_RUNTIME_CHECK(ss.str() == "(1, 1)"); 21 } 22 23 { 24 std::ostringstream ss; 25 ss << hana::experimental::print( 26 hana::make_pair(1, hana::int_c<2>) 27 ); 28 BOOST_HANA_RUNTIME_CHECK(ss.str() == "(1, 2)"); 29 } 30 31 { 32 std::ostringstream ss; 33 ss << hana::experimental::print( 34 hana::make_pair('x', hana::int_c<2>) 35 ); 36 BOOST_HANA_RUNTIME_CHECK(ss.str() == "(x, 2)"); 37 } 38 } 39