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ROBLOX2016
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Library/boost/libs/python/test/if_else.cpp
44 строки
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PatoFlamejanteTV
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19 дек 2024, 19:11
19 дек 2024, 19:11
05db15d
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// Copyright David Abrahams 2002. // 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) #include <boost/static_assert.hpp> #include <boost/python/detail/if_else.hpp> #include <boost/python/detail/type_traits.hpp> typedef char c1; typedef char c2[2]; typedef char c3[3]; typedef char c4[4]; template <unsigned size> struct choose { typedef typename boost::python::detail::if_< (sizeof(c1) == size) >::template then< c1 >::template elif< (sizeof(c2) == size) >::template then< c2 >::template elif< (sizeof(c3) == size) >::template then< c3 >::template elif< (sizeof(c4) == size) >::template then< c4 >::template else_<void*>::type type; }; int main() { BOOST_STATIC_ASSERT((boost::python::detail::is_same<choose<1>::type,c1>::value)); BOOST_STATIC_ASSERT((boost::python::detail::is_same<choose<2>::type,c2>::value)); BOOST_STATIC_ASSERT((boost::python::detail::is_same<choose<3>::type,c3>::value)); BOOST_STATIC_ASSERT((boost::python::detail::is_same<choose<4>::type,c4>::value)); BOOST_STATIC_ASSERT((boost::python::detail::is_same<choose<5>::type,void*>::value)); return 0; }