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chore: perfectly forward all make_iterator args (#3980)

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* Perfectly forward all make_iterator args

* Try emplace back
This commit is contained in:
Aaron Gokaslan 2022-05-28 19:58:15 -04:00 committed by GitHub
parent 748ae2270b
commit 8da58da539
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1 changed files with 15 additions and 9 deletions
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include/pybind11/pybind11.h
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@ -2333,7 +2333,7 @@ template <typename Access,
typename Sentinel, typename Sentinel,
typename ValueType, typename ValueType,
typename... Extra> typename... Extra>
iterator make_iterator_impl(Iterator first, Sentinel last, Extra &&...extra) { iterator make_iterator_impl(Iterator &&first, Sentinel &&last, Extra &&...extra) {
using state = detail::iterator_state<Access, Policy, Iterator, Sentinel, ValueType, Extra...>; using state = detail::iterator_state<Access, Policy, Iterator, Sentinel, ValueType, Extra...>;
// TODO: state captures only the types of Extra, not the values // TODO: state captures only the types of Extra, not the values
@ -2359,7 +2359,7 @@ iterator make_iterator_impl(Iterator first, Sentinel last, Extra &&...extra) {
Policy); Policy);
} }
return cast(state{first, last, true}); return cast(state{std::forward<Iterator>(first), std::forward<Sentinel>(last), true});
} }
PYBIND11_NAMESPACE_END(detail) PYBIND11_NAMESPACE_END(detail)
@ -2370,13 +2370,15 @@ template <return_value_policy Policy = return_value_policy::reference_internal,
typename Sentinel, typename Sentinel,
typename ValueType = typename detail::iterator_access<Iterator>::result_type, typename ValueType = typename detail::iterator_access<Iterator>::result_type,
typename... Extra> typename... Extra>
iterator make_iterator(Iterator first, Sentinel last, Extra &&...extra) { iterator make_iterator(Iterator &&first, Sentinel &&last, Extra &&...extra) {
return detail::make_iterator_impl<detail::iterator_access<Iterator>, return detail::make_iterator_impl<detail::iterator_access<Iterator>,
Policy, Policy,
Iterator, Iterator,
Sentinel, Sentinel,
ValueType, ValueType,
Extra...>(first, last, std::forward<Extra>(extra)...); Extra...>(std::forward<Iterator>(first),
std::forward<Sentinel>(last),
std::forward<Extra>(extra)...);
} }
/// Makes a python iterator over the keys (`.first`) of a iterator over pairs from a /// Makes a python iterator over the keys (`.first`) of a iterator over pairs from a
@ -2386,13 +2388,15 @@ template <return_value_policy Policy = return_value_policy::reference_internal,
typename Sentinel, typename Sentinel,
typename KeyType = typename detail::iterator_key_access<Iterator>::result_type, typename KeyType = typename detail::iterator_key_access<Iterator>::result_type,
typename... Extra> typename... Extra>
iterator make_key_iterator(Iterator first, Sentinel last, Extra &&...extra) { iterator make_key_iterator(Iterator &&first, Sentinel &&last, Extra &&...extra) {
return detail::make_iterator_impl<detail::iterator_key_access<Iterator>, return detail::make_iterator_impl<detail::iterator_key_access<Iterator>,
Policy, Policy,
Iterator, Iterator,
Sentinel, Sentinel,
KeyType, KeyType,
Extra...>(first, last, std::forward<Extra>(extra)...); Extra...>(std::forward<Iterator>(first),
std::forward<Sentinel>(last),
std::forward<Extra>(extra)...);
} }
/// Makes a python iterator over the values (`.second`) of a iterator over pairs from a /// Makes a python iterator over the values (`.second`) of a iterator over pairs from a
@ -2402,13 +2406,15 @@ template <return_value_policy Policy = return_value_policy::reference_internal,
typename Sentinel, typename Sentinel,
typename ValueType = typename detail::iterator_value_access<Iterator>::result_type, typename ValueType = typename detail::iterator_value_access<Iterator>::result_type,
typename... Extra> typename... Extra>
iterator make_value_iterator(Iterator first, Sentinel last, Extra &&...extra) { iterator make_value_iterator(Iterator &&first, Sentinel &&last, Extra &&...extra) {
return detail::make_iterator_impl<detail::iterator_value_access<Iterator>, return detail::make_iterator_impl<detail::iterator_value_access<Iterator>,
Policy, Policy,
Iterator, Iterator,
Sentinel, Sentinel,
ValueType, ValueType,
Extra...>(first, last, std::forward<Extra>(extra)...); Extra...>(std::forward<Iterator>(first),
std::forward<Sentinel>(last),
std::forward<Extra>(extra)...);
} }
/// Makes an iterator over values of an stl container or other container supporting /// Makes an iterator over values of an stl container or other container supporting
@ -2467,7 +2473,7 @@ void implicitly_convertible() {
}; };
if (auto *tinfo = detail::get_type_info(typeid(OutputType))) { if (auto *tinfo = detail::get_type_info(typeid(OutputType))) {
tinfo->implicit_conversions.push_back(implicit_caster); tinfo->implicit_conversions.emplace_back(std::move(implicit_caster));
} else { } else {
pybind11_fail("implicitly_convertible: Unable to find type " + type_id<OutputType>()); pybind11_fail("implicitly_convertible: Unable to find type " + type_id<OutputType>());
} }