forked from boostorg/mp11
71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
|
|
// Copyright 2017, 2020 Peter Dimov.
|
|
// Distributed under the Boost Software License, Version 1.0.
|
|
// https://www.boost.org/LICENSE_1_0.txt
|
|
|
|
#include <boost/mp11/utility.hpp>
|
|
#include <boost/core/lightweight_test_trait.hpp>
|
|
|
|
template<class T> struct F1 {};
|
|
template<class T> struct F2 {};
|
|
template<class T> struct F3 {};
|
|
|
|
template<class T> using G1 = F1<T>;
|
|
template<class T> using G2 = F2<T>;
|
|
template<class T> using G3 = F3<T>;
|
|
|
|
template<class... T> struct H {};
|
|
|
|
int main()
|
|
{
|
|
using namespace boost::mp11;
|
|
|
|
#if !BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, < 1900 )
|
|
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose<>::fn<void>, void>));
|
|
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose<F1>::fn<void>, F1<void>>));
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose<G1>::fn<void>, F1<void>>));
|
|
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose<F1, F2>::fn<void>, F2<F1<void>>>));
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose<G1, G2>::fn<void>, F2<F1<void>>>));
|
|
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose<F1, F2, F3>::fn<void>, F3<F2<F1<void>>>>));
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose<G1, G2, G3>::fn<void>, F3<F2<F1<void>>>>));
|
|
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose<H>::fn<int, char>, H<int, char>>));
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose<H, F1>::fn<void, float>, F1<H<void, float>>>));
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose<H, F1, G1>::fn<void, float>, G1<F1<H<void, float>>>>));
|
|
|
|
#endif
|
|
|
|
using QF1 = mp_quote<F1>;
|
|
using QF2 = mp_quote<F2>;
|
|
using QF3 = mp_quote<F3>;
|
|
|
|
using QG1 = mp_quote<G1>;
|
|
using QG2 = mp_quote<G2>;
|
|
using QG3 = mp_quote<G3>;
|
|
|
|
using QH = mp_quote<H>;
|
|
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose_q<>::fn<void>, void>));
|
|
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose_q<QF1>::fn<void>, F1<void>>));
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose_q<QG1>::fn<void>, F1<void>>));
|
|
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose_q<QF1, QF2>::fn<void>, F2<F1<void>>>));
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose_q<QG1, QG2>::fn<void>, F2<F1<void>>>));
|
|
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose_q<QF1, QF2, QF3>::fn<void>, F3<F2<F1<void>>>>));
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose_q<QG1, QG2, QG3>::fn<void>, F3<F2<F1<void>>>>));
|
|
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose_q<QH>::fn<int, char>, H<int, char>>));
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose_q<QH, QF1>::fn<void, float>, F1<H<void, float>>>));
|
|
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_compose_q<QH, QF1, QG1>::fn<void, float>, G1<F1<H<void, float>>>>));
|
|
|
|
//
|
|
|
|
return boost::report_errors();
|
|
}
|