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fix(stl_bind): Enable bind_map with using declarations. (#4952)

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* Enable `bind_map` with `using` declarations.

* style: pre-commit fixes

* Enable directives in bind_vector

* Add tests for bind_ and using directives

* style: pre-commit fixes

* Remove C++17 functions

* Fix test comment

* Add minimal user like map py test

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
This commit is contained in:
Antoine Prouvost
2023-11-29 21:56:25 +01:00
committed by GitHub
parent 4bb6163b4f
commit a67d786571
3 changed files with 87 additions and 2 deletions
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70
tests/test_stl_binders.cpp
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@@ -15,6 +15,7 @@
#include <deque>
#include <map>
#include <unordered_map>
#include <vector>
class El {
public:
@@ -83,6 +84,71 @@ struct RecursiveMap : std::map<int, RecursiveMap> {
using Parent::Parent;
};
class UserVectorLike : private std::vector<int> {
public:
// This is only a subset of the member functions, as needed at the time.
using Base = std::vector<int>;
using typename Base::const_iterator;
using typename Base::difference_type;
using typename Base::iterator;
using typename Base::size_type;
using typename Base::value_type;
using Base::at;
using Base::back;
using Base::Base;
using Base::begin;
using Base::cbegin;
using Base::cend;
using Base::clear;
using Base::empty;
using Base::end;
using Base::erase;
using Base::front;
using Base::insert;
using Base::pop_back;
using Base::push_back;
using Base::reserve;
using Base::shrink_to_fit;
using Base::swap;
using Base::operator[];
using Base::capacity;
using Base::size;
};
bool operator==(UserVectorLike const &, UserVectorLike const &) { return true; }
bool operator!=(UserVectorLike const &, UserVectorLike const &) { return false; }
class UserMapLike : private std::map<int, int> {
public:
// This is only a subset of the member functions, as needed at the time.
using Base = std::map<int, int>;
using typename Base::const_iterator;
using typename Base::iterator;
using typename Base::key_type;
using typename Base::mapped_type;
using typename Base::size_type;
using typename Base::value_type;
using Base::at;
using Base::Base;
using Base::begin;
using Base::cbegin;
using Base::cend;
using Base::clear;
using Base::emplace;
using Base::emplace_hint;
using Base::empty;
using Base::end;
using Base::erase;
using Base::find;
using Base::insert;
using Base::max_size;
using Base::swap;
using Base::operator[];
using Base::size;
};
/*
* Pybind11 does not catch more complicated recursion schemes, such as mutual
* recursion.
@@ -173,6 +239,10 @@ TEST_SUBMODULE(stl_binders, m) {
py::bind_map<MutuallyRecursiveContainerPairMV>(m, "MutuallyRecursiveContainerPairMV");
py::bind_vector<MutuallyRecursiveContainerPairVM>(m, "MutuallyRecursiveContainerPairVM");
// Bind with private inheritance + `using` directives.
py::bind_vector<UserVectorLike>(m, "UserVectorLike");
py::bind_map<UserMapLike>(m, "UserMapLike");
// The rest depends on numpy:
try {
py::module_::import("numpy");