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- // Copyright 2015, 2017 Peter Dimov.
- //
- // Distributed under the Boost Software License, Version 1.0.
- //
- // See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt
- #if defined(_MSC_VER)
- #pragma warning( disable: 4244 ) // 'initializing': conversion from 'int' to 'char', possible loss of data
- #endif
- #include <boost/mp11/tuple.hpp>
- #include <boost/core/lightweight_test.hpp>
- #include <tuple>
- #include <memory>
- #include <utility>
- #include <array>
- int main()
- {
- using boost::mp11::tuple_apply;
- {
- std::tuple<int, short, char> tp{ 1, 2, 3 };
- {
- int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, tp );
- BOOST_TEST_EQ( s, 123 );
- }
- {
- int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, std::move(tp) );
- BOOST_TEST_EQ( s, 123 );
- }
- }
- {
- std::tuple<int, short, char> const tp{ 1, 2, 3 };
- {
- int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, tp );
- BOOST_TEST_EQ( s, 123 );
- }
- {
- int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, std::move(tp) );
- BOOST_TEST_EQ( s, 123 );
- }
- }
- #if defined( __clang_major__ ) && __clang_major__ == 3 && __clang_minor__ < 8
- #else
- {
- std::tuple<std::unique_ptr<int>, std::unique_ptr<int>, std::unique_ptr<int>> tp{ std::unique_ptr<int>(new int(1)), std::unique_ptr<int>(new int(2)), std::unique_ptr<int>(new int(3)) };
- int s = tuple_apply( [&]( std::unique_ptr<int> px, std::unique_ptr<int> py, std::unique_ptr<int> pz ){ return 100 * *px + 10 * *py + *pz; }, std::move(tp) );
- BOOST_TEST_EQ( s, 123 );
- }
- #endif
- {
- std::pair<int, short> tp{ 1, 2 };
- {
- int s = tuple_apply( [&]( int x, int y ){ return 10 * x + y; }, tp );
- BOOST_TEST_EQ( s, 12 );
- }
- {
- int s = tuple_apply( [&]( int x, int y ){ return 10 * x + y; }, std::move(tp) );
- BOOST_TEST_EQ( s, 12 );
- }
- }
- {
- std::pair<int, short> const tp{ 1, 2 };
- {
- int s = tuple_apply( [&]( int x, int y ){ return 10 * x + y; }, tp );
- BOOST_TEST_EQ( s, 12 );
- }
- {
- int s = tuple_apply( [&]( int x, int y ){ return 10 * x + y; }, std::move(tp) );
- BOOST_TEST_EQ( s, 12 );
- }
- }
- {
- std::array<int, 3> tp{{ 1, 2, 3 }};
- {
- int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, tp );
- BOOST_TEST_EQ( s, 123 );
- }
- {
- int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, std::move(tp) );
- BOOST_TEST_EQ( s, 123 );
- }
- }
- {
- std::array<int, 3> const tp{{ 1, 2, 3 }};
- {
- int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, tp );
- BOOST_TEST_EQ( s, 123 );
- }
- {
- int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, std::move(tp) );
- BOOST_TEST_EQ( s, 123 );
- }
- }
- {
- std::tuple<> tp;
- BOOST_TEST_EQ( tuple_apply( []{ return 11; }, tp ), 11 );
- BOOST_TEST_EQ( tuple_apply( []{ return 12; }, std::move( tp ) ), 12 );
- }
- {
- std::array<int, 0> tp;
- BOOST_TEST_EQ( tuple_apply( []{ return 11; }, tp ), 11 );
- BOOST_TEST_EQ( tuple_apply( []{ return 12; }, std::move( tp ) ), 12 );
- }
- return boost::report_errors();
- }
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