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#ifndef BOOST_CONTRACT_DETAIL_EXCEPTION_HPP_
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#define BOOST_CONTRACT_DETAIL_EXCEPTION_HPP_
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// Copyright (C) 2008-2019 Lorenzo Caminiti
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// Distributed under the Boost Software License, Version 1.0 (see accompanying
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// file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
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// See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
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#include <boost/config.hpp>
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#include <exception>
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namespace boost { namespace contract { namespace detail {
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// Using this instead of std::uncaught_exception() because
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// std::uncaught_exception will be removed in C++20.
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inline bool uncaught_exception() BOOST_NOEXCEPT {
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// Alternatively, this could just return `boost::core::uncaught_exceptions()
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// > 0` but that emulates the exception count which is not needed by this
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// lib (the implementation below is simpler and could be faster).
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#ifdef __cpp_lib_uncaught_exceptions
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return std::uncaught_exceptions() > 0;
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#else
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return std::uncaught_exception();
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#endif
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}
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} } } // namespace
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#endif // #include guard
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