43 lines
1003 B
C++
43 lines
1003 B
C++
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#ifndef BOOST_CORE_DETAIL_STATIC_ASSERT_HPP_INCLUDED
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#define BOOST_CORE_DETAIL_STATIC_ASSERT_HPP_INCLUDED
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// 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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#if defined(__cpp_static_assert) && __cpp_static_assert >= 200410L
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#define BOOST_CORE_STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
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#else
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#include <boost/config.hpp>
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#include <cstddef>
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namespace boost
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{
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namespace core
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{
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template<bool> struct STATIC_ASSERTION_FAILURE;
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template<> struct STATIC_ASSERTION_FAILURE<true>
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{
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};
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template<std::size_t> struct static_assert_test
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{
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};
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} // namespace core
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} // namespace boost
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#define BOOST_CORE_STATIC_ASSERT(expr) \
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typedef ::boost::core::static_assert_test< \
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sizeof( ::boost::core::STATIC_ASSERTION_FAILURE<(expr)? true: false> ) \
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> BOOST_JOIN(boost_static_assert_typedef_,__LINE__) BOOST_ATTRIBUTE_UNUSED
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#endif
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#endif // #ifndef BOOST_CORE_DETAIL_STATIC_ASSERT_HPP_INCLUDED
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