Add pybind for classes

src/pybind_3_classes.cpp

@@ -0,0 +1,23 @@
+#include <pybind11/pybind11.h>
+#include <pybind11/stl.h>
+#include <pybind11/stl_bind.h>
+#include "library.hpp"
+
+namespace py = pybind11;
+using namespace py::literals;
+PYBIND11_MAKE_OPAQUE(std::vector<int>);
+
+PYBIND11_MODULE(pyBarbadoop, m) {
+    m.doc() = "PybindCourse module - barbadoop";
+    m.def("factorial", &factorial, "Calculate factorial", "n"_a);
+    m.def("fibonacci", &fibonacci, "Calculate fibonacci series, first N numbers", "n"_a = 10);
+    m.def("square_vector", &square_vector, "Square vector elements in place", "v"_a);
+    m.def("hypotenuse", &hypotenuse, "Calculate hypotenuse of triangle", "a"_a, "b"_a);
+    py::bind_vector<std::vector<int>>(m, "VectorInt");
+    py::class_<Date>(m, "Date")
+      .def(py::init<unsigned, unsigned, unsigned>())
+      .def_readwrite("year", &Date::year)
+      .def_readwrite("month", &Date::month)
+      .def_readwrite("day", &Date::day)
+    ;
+}