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- // Copyright 2015-2019 Hans Dembinski
- //
- // 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)
- #ifndef BOOST_HISTOGRAM_DETAIL_RELAXED_EQUAL_HPP
- #define BOOST_HISTOGRAM_DETAIL_RELAXED_EQUAL_HPP
- #include <boost/histogram/detail/detect.hpp>
- #include <boost/histogram/detail/static_if.hpp>
- namespace boost {
- namespace histogram {
- namespace detail {
- template <class T>
- constexpr bool relaxed_equal(const T& a, const T& b) noexcept {
- return static_if<has_operator_equal<T>>(
- [](const auto& a, const auto& b) { return a == b; },
- [](const auto&, const auto&) { return true; }, a, b);
- }
- } // namespace detail
- } // namespace histogram
- } // namespace boost
- #endif
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