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43 lines
1019 B
C++
43 lines
1019 B
C++
// Copyright 2025 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/array.hpp>
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#include <boost/config.hpp>
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#include <boost/config/pragma_message.hpp>
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#include <boost/config/workaround.hpp>
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#include <cstddef>
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#if defined(BOOST_NO_CXX11_CONSTEXPR)
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BOOST_PRAGMA_MESSAGE("Test skipped because BOOST_NO_CXX11_CONSTEXPR is defined")
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#elif BOOST_WORKAROUND(BOOST_MSVC, < 1910)
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BOOST_PRAGMA_MESSAGE("Test skipped because BOOST_MSVC < 1910")
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#elif BOOST_WORKAROUND(BOOST_GCC, < 50000)
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BOOST_PRAGMA_MESSAGE("Test skipped because BOOST_GCC < 50000")
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#else
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#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
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template<class T> void test()
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{
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constexpr boost::array<T, 4> a = {{ 1, 2, 3, 4 }};
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STATIC_ASSERT( boost::get<0>( a ) == 1 );
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STATIC_ASSERT( boost::get<1>( a ) == 2 );
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STATIC_ASSERT( boost::get<2>( a ) == 3 );
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STATIC_ASSERT( boost::get<3>( a ) == 4 );
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}
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int main()
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{
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test<int>();
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}
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#endif
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