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Implement mp_transform_if in terms of mp_transform

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Peter Dimov
2017-04-01 18:08:19 +03:00
parent fcbe835f4b
commit c92d314009
2 changed files with 22 additions and 55 deletions
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10
test/mp_transform_if.cpp
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@@ -26,6 +26,8 @@ template<class T> using add_pointer = T*;
template<class T, class...> using is_not_ref = mp_not<std::is_reference<T>>;
template<class T1, class T2> using second = T2;
template<class T1, class T2, class T3> using third = T3;
template<class T1, class T2, class T3, class T4> using fourth = T4;
template<class T1, class T2, class T3, class T4, class T5> using fifth = T5;
int main()
{
@@ -58,6 +60,14 @@ int main()
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_if<is_not_ref, third, L2, L2, mp_iota<mp_size<L2>>>, std::tuple<mp_size_t<0>, X2&, mp_size_t<2>, X4 const&>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_if<is_not_ref, third, L3, L3, mp_iota<mp_size<L3>>>, std::pair<mp_size_t<0>, X2&>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_if<is_not_ref, fourth, L1, L1, L1, mp_iota<mp_size<L1>>>, mp_list<mp_size_t<0>, X2&, mp_size_t<2>, X4 const&>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_if<is_not_ref, fourth, L2, L2, L2, mp_iota<mp_size<L2>>>, std::tuple<mp_size_t<0>, X2&, mp_size_t<2>, X4 const&>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_if<is_not_ref, fourth, L3, L3, L3, mp_iota<mp_size<L3>>>, std::pair<mp_size_t<0>, X2&>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_if<is_not_ref, fifth, L1, L1, L1, L1, mp_iota<mp_size<L1>>>, mp_list<mp_size_t<0>, X2&, mp_size_t<2>, X4 const&>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_if<is_not_ref, fifth, L2, L2, L2, L2, mp_iota<mp_size<L2>>>, std::tuple<mp_size_t<0>, X2&, mp_size_t<2>, X4 const&>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_transform_if<is_not_ref, fifth, L3, L3, L3, L3, mp_iota<mp_size<L3>>>, std::pair<mp_size_t<0>, X2&>>));
//
return boost::report_errors();