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Make overload_cast_impl available in C++11 mode. (#1581)

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* Make `overload_cast_impl` available in C++11 mode.

Narrow the scope of the `#if defined(PYBIND11_CPP14)` block around overload_cast to only
cover the parts where C++14 is stricly required. Thus, the implementation in
`pybind11::details::overload_cast_impl` is still available in C++11 mode.

* PR #1581: Modify test to use overload_cast_impl, update docs and change log
This commit is contained in:
Andre Schmeißer
2019-08-19 12:54:33 +02:00
committed by Wenzel Jakob
parent 04c8f4b56e
commit 19189b4c2c
4 changed files with 31 additions and 13 deletions
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18
tests/test_methods_and_attributes.cpp
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@@ -11,6 +11,11 @@
#include "pybind11_tests.h"
#include "constructor_stats.h"
#if !defined(PYBIND11_OVERLOAD_CAST)
template <typename... Args>
using overload_cast_ = pybind11::detail::overload_cast_impl<Args...>;
#endif
class ExampleMandA {
public:
ExampleMandA() { print_default_created(this); }
@@ -242,15 +247,16 @@ TEST_SUBMODULE(methods_and_attributes, m) {
.def("overloaded_const", py::overload_cast<int, int>(&ExampleMandA::overloaded, py::const_))
.def("overloaded_const", py::overload_cast<float, float>(&ExampleMandA::overloaded, py::const_))
#else
.def("overloaded", static_cast<py::str (ExampleMandA::*)()>(&ExampleMandA::overloaded))
.def("overloaded", static_cast<py::str (ExampleMandA::*)(int)>(&ExampleMandA::overloaded))
.def("overloaded", static_cast<py::str (ExampleMandA::*)(int, float)>(&ExampleMandA::overloaded))
// Use both the traditional static_cast method and the C++11 compatible overload_cast_
.def("overloaded", overload_cast_<>()(&ExampleMandA::overloaded))
.def("overloaded", overload_cast_<int>()(&ExampleMandA::overloaded))
.def("overloaded", overload_cast_<int, float>()(&ExampleMandA::overloaded))
.def("overloaded", static_cast<py::str (ExampleMandA::*)(float, int)>(&ExampleMandA::overloaded))
.def("overloaded", static_cast<py::str (ExampleMandA::*)(int, int)>(&ExampleMandA::overloaded))
.def("overloaded", static_cast<py::str (ExampleMandA::*)(float, float)>(&ExampleMandA::overloaded))
.def("overloaded_float", static_cast<py::str (ExampleMandA::*)(float, float)>(&ExampleMandA::overloaded))
.def("overloaded_const", static_cast<py::str (ExampleMandA::*)(int ) const>(&ExampleMandA::overloaded))
.def("overloaded_const", static_cast<py::str (ExampleMandA::*)(int, float) const>(&ExampleMandA::overloaded))
.def("overloaded_float", overload_cast_<float, float>()(&ExampleMandA::overloaded))
.def("overloaded_const", overload_cast_<int >()(&ExampleMandA::overloaded, py::const_))
.def("overloaded_const", overload_cast_<int, float>()(&ExampleMandA::overloaded, py::const_))
.def("overloaded_const", static_cast<py::str (ExampleMandA::*)(float, int) const>(&ExampleMandA::overloaded))
.def("overloaded_const", static_cast<py::str (ExampleMandA::*)(int, int) const>(&ExampleMandA::overloaded))
.def("overloaded_const", static_cast<py::str (ExampleMandA::*)(float, float) const>(&ExampleMandA::overloaded))