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fix: workaround NVCC parse failure in cast_op #4893

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merged 3 commits into from
Oct 21, 2023
Merged

fix: workaround NVCC parse failure in cast_op #4893

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26949b3
Workaround NVCC parse failure in `cast_op`
Flamefire Oct 20, 2023
352b04d
style: pre-commit fixes
pre-commit-ci[bot] Oct 20, 2023
6a23a53
Add comments to result_t referencing PR
Flamefire Oct 21, 2023
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8 changes: 5 additions & 3 deletions include/pybind11/cast.h
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Original file line number Diff line number Diff line change
Expand Up @@ -42,13 +42,15 @@ using make_caster = type_caster<intrinsic_t<type>>;
// Shortcut for calling a caster's `cast_op_type` cast operator for casting a type_caster to a T
template <typename T>
typename make_caster<T>::template cast_op_type<T> cast_op(make_caster<T> &caster) {
return caster.operator typename make_caster<T>::template cast_op_type<T>();
using result_t = typename make_caster<T>::template cast_op_type<T>;
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Could you please add a comment at the end of the line, e.g.

// See PR #4893.

Also below.

In case someone later is considering inlining result_t again, they can easily know why it's here.

return caster.operator result_t();
}
template <typename T>
typename make_caster<T>::template cast_op_type<typename std::add_rvalue_reference<T>::type>
cast_op(make_caster<T> &&caster) {
return std::move(caster).operator typename make_caster<T>::
template cast_op_type<typename std::add_rvalue_reference<T>::type>();
using result_t = typename make_caster<T>::template cast_op_type<
typename std::add_rvalue_reference<T>::type>;
return std::move(caster).operator result_t();
}

template <typename type>
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