Method UnorderedEqualsMatcher

external/catch.hpp:3716–3716

        template<typename T, typename AllocComp, typename AllocMatch>
        struct UnorderedEqualsMatcher : MatcherBase<std::vector<T, AllocMatch>> {
            UnorderedEqualsMatcher(std::vector<T, AllocComp> const& target) : m_target(target) {}
            bool match(std::vector<T, AllocMatch> const& vec) const override {
                if (m_target.size() != vec.size()) {
                    return false;