Class MatchAllMatcher

tests/SelfTest/UsageTests/MatchersConstexpr.tests.cpp:23–34

namespace {
    struct MatchAllMatcher final : public Catch::Matchers::MatcherGenericBase {
    public:
        template <typename Any>
        constexpr bool match( Any&& ) const {
            return true;
        }

        std::string describe() const override {
            using namespace std::string_literals;
            return "Matches anything"s;
        }
    };

    constexpr MatchAllMatcher MatchAll() { return MatchAllMatcher(); }