pybind11/tests/test_sequences_and_iterators.cpp

95     class Sequence {
97         Sequence(size_t size) : m_size(size) {
102         Sequence(const std::vector<float> &value) : m_size(value.size()) {
107         Sequence(const Sequence &s) : m_size(s.m_size) {
112         Sequence(Sequence &&s) : m_size(s.m_size), m_data(s.m_data) {
118         ~Sequence() { print_destroyed(this); delete[] m_data; }
120         Sequence &operator=(const Sequence &s) {
131         Sequence &operator=(Sequence &&s) {
143         bool operator==(const Sequence &s) const {
150         bool operator!=(const Sequence &s) const { return !operator==(s); }
162         Sequence reversed() const {
163             Sequence result(m_size);
178     py::class_<Sequence>(m, "Sequence")
182         .def("__getitem__", [](const Sequence &s, size_t i) {
186         .def("__setitem__", [](Sequence &s, size_t i, float v) {
190         .def("__len__", &Sequence::size)
192         .def("__iter__", [](const Sequence &s) { return py::make_iterator(s.begin(), s.end()); },
194         .def("__contains__", [](const Sequence &s, float v) { return s.contains(v); })
195         .def("__reversed__", [](const Sequence &s) -> Sequence { return s.reversed(); })
197         .def("__getitem__", [](const Sequence &s, py::slice slice) -> Sequence* {
201             Sequence *seq = new Sequence(slicelength);
207         .def("__setitem__", [](Sequence &s, py::slice slice, const Sequence &value) {
283         PySequenceIterator(const Sequence &seq, py::object ref) : seq(seq), ref(ref) { }
291         const Sequence &seq;
300     On the actual Sequence object, the iterator would be constructed as follows:
301     .def("__iter__", [](py::object s) { return PySequenceIterator(s.cast<const Sequence &>(), s); })