Function PYBIND11_OVERRIDE

tests/test_class.cpp:433–599

    public:
        int foo() const override { PYBIND11_OVERRIDE(int, ProtectedB, foo, ); }
        void *void_foo() override { PYBIND11_OVERRIDE(void *, ProtectedB, void_foo, ); }
        void *get_self() override { PYBIND11_OVERRIDE(void *, ProtectedB, get_self, ); }
    };

    class PublicistB : public ProtectedB {
    public:
        // [workaround(intel)] = default does not work here
        // Removing or defaulting this destructor results in linking errors with the Intel compiler
        // (in Debug builds only, tested with icpc (ICC) 2021.1 Beta 20200827)
        ~PublicistB() override {}; // NOLINT(modernize-use-equals-default)
        using ProtectedB::foo;
        using ProtectedB::get_self;
        using ProtectedB::void_foo;
    };

    m.def("read_foo", [](const void *original) {
        const int *ptr = reinterpret_cast<const int *>(original);
        return *ptr;
    });

    m.def("pointers_equal",
          [](const void *original, const void *comparison) { return original == comparison; });

    py::class_<ProtectedB, TrampolineB>(m, "ProtectedB")
        .def(py::init<>())
        .def("foo", &PublicistB::foo)
        .def("void_foo", &PublicistB::void_foo)
        .def("get_self", &PublicistB::get_self);

    // test_brace_initialization
    struct BraceInitialization {
        int field1;
        std::string field2;
    };

    py::class_<BraceInitialization>(m, "BraceInitialization")
        .def(py::init<int, const std::string &>())
        .def_readwrite("field1", &BraceInitialization::field1)
        .def_readwrite("field2", &BraceInitialization::field2);
    // We *don't* want to construct using braces when the given constructor argument maps to a
    // constructor, because brace initialization could go to the wrong place (in particular when
    // there is also an `initializer_list<T>`-accept constructor):
    py::class_<NoBraceInitialization>(m, "NoBraceInitialization")
        .def(py::init<std::vector<int>>())
        .def_readonly("vec", &NoBraceInitialization::vec);

    // test_reentrant_implicit_conversion_failure
    // #1035: issue with runaway reentrant implicit conversion
    struct BogusImplicitConversion {
        BogusImplicitConversion(const BogusImplicitConversion &) = default;
    };

    py::class_<BogusImplicitConversion>(m, "BogusImplicitConversion")
        .def(py::init<const BogusImplicitConversion &>());

    py::implicitly_convertible<int, BogusImplicitConversion>();

    // test_qualname