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libstdc++: Use const_iterator in std::set::find<K> return type

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François noticed that the "wrong" type is used in the return type for a
std::set member function template.

The iterator for our std::set is the same type as const_iterator,
so this doesn't actually matter. But it's clearer if the return type
matches the type used in the function body.

libstdc++-v3/ChangeLog:

	* include/bits/stl_set.h (set::find): Use const_iterator in
	return type, not iterator.
This commit is contained in:
Jonathan Wakely 2024-11-19 23:59:00 +00:00 committed by Jonathan Wakely
parent 4484945c53
commit f6f28dc41d
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libstdc++-v3/include/bits/stl_set.h
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@ -875,7 +875,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
template<typename _Kt> template<typename _Kt>
auto auto
upper_bound(const _Kt& __x) const upper_bound(const _Kt& __x) const
-> decltype(iterator(_M_t._M_upper_bound_tr(__x))) -> decltype(const_iterator(_M_t._M_upper_bound_tr(__x)))
{ return const_iterator(_M_t._M_upper_bound_tr(__x)); } { return const_iterator(_M_t._M_upper_bound_tr(__x)); }
#endif #endif
///@} ///@}