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feat(types): adds support for TypeGuard and TypeIs (#5194)

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* Adds support for TypeGuard and TypeIs

* style: pre-commit fixes

---------

Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
This commit is contained in:
Michael Carlstrom
2024-06-25 22:53:15 -04:00
committed by GitHub
parent b5ec7c7174
commit 2be85c6041
3 changed files with 40 additions and 0 deletions
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7
tests/test_pytypes.cpp
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@@ -892,8 +892,15 @@ TEST_SUBMODULE(pytypes, m) {
return list;
});
m.def("annotate_type_guard", [](py::object &o) -> py::typing::TypeGuard<py::str> {
return py::isinstance<py::str>(o);
});
m.def("annotate_type_is",
[](py::object &o) -> py::typing::TypeIs<py::str> { return py::isinstance<py::str>(o); });
m.def("annotate_no_return", []() -> py::typing::NoReturn { throw 0; });
m.def("annotate_never", []() -> py::typing::Never { throw 0; });
m.def("annotate_optional_to_object",
[](py::typing::Optional<int> &o) -> py::object { return o; });