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- // Copyright Louis Dionne 2013-2017
- // Distributed under the Boost Software License, Version 1.0.
- // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
- #include <boost/hana/assert.hpp>
- #include <boost/hana/detail/preprocessor.hpp>
- #include <string>
- #include <vector>
- //////////////////////////////////////////////////////////////////////////////
- // BOOST_HANA_PP_CONCAT
- //////////////////////////////////////////////////////////////////////////////
- static_assert(BOOST_HANA_PP_CONCAT(1, 2) == 12, "");
- //////////////////////////////////////////////////////////////////////////////
- // BOOST_HANA_PP_FRONT
- //////////////////////////////////////////////////////////////////////////////
- static_assert(BOOST_HANA_PP_FRONT(0) == 0, "");
- static_assert(BOOST_HANA_PP_FRONT(0, 1) == 0, "");
- static_assert(BOOST_HANA_PP_FRONT(0, 1, 2) == 0, "");
- static_assert(BOOST_HANA_PP_FRONT(0, 1, 2, 3) == 0, "");
- static_assert(BOOST_HANA_PP_FRONT(0, 1, 2, 3, 4, 5, 6, 6, 8, 9,
- 10, 11, 12, 13, 14, 15, 16, 16, 18) == 0, "");
- static_assert(BOOST_HANA_PP_FRONT(0, 1, 2, 3, 4, 5, 6, 6, 8, 9,
- 10, 11, 12, 13, 14, 15, 16, 16, 18, 19) == 0, "");
- int main() {
- using Vector = std::vector<int>;
- //////////////////////////////////////////////////////////////////////////
- // BOOST_HANA_PP_STRINGIZE
- //////////////////////////////////////////////////////////////////////////
- {
- constexpr char const* xyz = BOOST_HANA_PP_STRINGIZE(xyz);
- BOOST_HANA_RUNTIME_CHECK(std::string{xyz} == "xyz");
- }{
- constexpr char const* xyz = BOOST_HANA_PP_STRINGIZE(foo{bar, baz});
- BOOST_HANA_RUNTIME_CHECK(std::string{xyz} == "foo{bar, baz}");
- }{
- constexpr char const* xyz = BOOST_HANA_PP_STRINGIZE(foo, bar, baz);
- BOOST_HANA_RUNTIME_CHECK(std::string{xyz} == "foo, bar, baz");
- }
- //////////////////////////////////////////////////////////////////////////
- // BOOST_HANA_PP_DROP_FRONT
- //////////////////////////////////////////////////////////////////////////
- {
- Vector args = {BOOST_HANA_PP_DROP_FRONT(0, 1)};
- BOOST_HANA_RUNTIME_CHECK(args == Vector{1});
- }{
- Vector args = {BOOST_HANA_PP_DROP_FRONT(0, 1, 2)};
- BOOST_HANA_RUNTIME_CHECK(args == Vector{1, 2});
- }{
- Vector args = {BOOST_HANA_PP_DROP_FRONT(0, 1, 2, 3)};
- BOOST_HANA_RUNTIME_CHECK(args == Vector{1, 2, 3});
- }{
- Vector args = {BOOST_HANA_PP_DROP_FRONT(0, 1, 2, 3, 4)};
- BOOST_HANA_RUNTIME_CHECK(args == Vector{1, 2, 3, 4});
- }
- }
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