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/equal.hpp> 7 #include <boost/hana/front.hpp> 8 #include <boost/hana/integral_constant.hpp> 9 #include <boost/hana/string.hpp> 10 namespace hana = boost::hana; 11 12 main()13int main() { 14 BOOST_HANA_CONSTANT_CHECK(hana::equal( 15 hana::front(BOOST_HANA_STRING("a")), 16 hana::char_c<'a'> 17 )); 18 19 BOOST_HANA_CONSTANT_CHECK(hana::equal( 20 hana::front(BOOST_HANA_STRING("ab")), 21 hana::char_c<'a'> 22 )); 23 24 BOOST_HANA_CONSTANT_CHECK(hana::equal( 25 hana::front(BOOST_HANA_STRING("abc")), 26 hana::char_c<'a'> 27 )); 28 } 29