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/*
tests/test_stl_binders.cpp -- Usage of stl_binders functions
Copyright (c) 2016 Sergey Lyskov
All rights reserved. Use of this source code is governed by a
BSD-style license that can be found in the LICENSE file.
*/
#include "pybind11_tests.h"
#include <pybind11/stl_bind.h>
#include <map>
#include <deque>
#include <unordered_map>
class El {
public:
El() = delete;
El(int v) : a(v) { }
int a;
};
std::ostream & operator<<(std::ostream &s, El const&v) {
s << "El{" << v.a << '}';
return s;
}
/// Issue #487: binding std::vector<E> with E non-copyable
class E_nc {
public:
explicit E_nc(int i) : value{i} {}
E_nc(const E_nc &) = delete;
E_nc &operator=(const E_nc &) = delete;
E_nc(E_nc &&) = default;
E_nc &operator=(E_nc &&) = default;
int value;
};
template <class Container> Container *one_to_n(int n) {
auto v = new Container();
for (int i = 1; i <= n; i++)
v->emplace_back(i);
return v;
}
template <class Map> Map *times_ten(int n) {
auto m = new Map();
for (int i = 1; i <= n; i++)
m->emplace(int(i), E_nc(10*i));
return m;
}
test_initializer stl_binder_vector([](py::module &m) {
py::class_<El>(m, "El")
.def(py::init<int>());
py::bind_vector<std::vector<unsigned int>>(m, "VectorInt");
py::bind_vector<std::vector<bool>>(m, "VectorBool");
py::bind_vector<std::vector<El>>(m, "VectorEl");
py::bind_vector<std::vector<std::vector<El>>>(m, "VectorVectorEl");
});
test_initializer stl_binder_map([](py::module &m) {
py::bind_map<std::map<std::string, double>>(m, "MapStringDouble");
py::bind_map<std::unordered_map<std::string, double>>(m, "UnorderedMapStringDouble");
py::bind_map<std::map<std::string, double const>>(m, "MapStringDoubleConst");
py::bind_map<std::unordered_map<std::string, double const>>(m, "UnorderedMapStringDoubleConst");
});
test_initializer stl_binder_noncopyable([](py::module &m) {
py::class_<E_nc>(m, "ENC")
.def(py::init<int>())
.def_readwrite("value", &E_nc::value);
py::bind_vector<std::vector<E_nc>>(m, "VectorENC");
m.def("get_vnc", &one_to_n<std::vector<E_nc>>, py::return_value_policy::reference);
py::bind_vector<std::deque<E_nc>>(m, "DequeENC");
m.def("get_dnc", &one_to_n<std::deque<E_nc>>, py::return_value_policy::reference);
py::bind_map<std::map<int, E_nc>>(m, "MapENC");
m.def("get_mnc", ×_ten<std::map<int, E_nc>>, py::return_value_policy::reference);
py::bind_map<std::unordered_map<int, E_nc>>(m, "UmapENC");
m.def("get_umnc", ×_ten<std::unordered_map<int, E_nc>>, py::return_value_policy::reference);
});
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