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### 2400. `shared_ptr`'s `get_deleter()` should use `addressof()`

Section: 20.11.3.11 [util.smartptr.getdeleter] Status: C++17 Submitter: Stephan T. Lavavej Opened: 2014-06-14 Last modified: 2017-07-30

Priority: 0

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Discussion:

The Standard Library should consistently use `addressof()` to defend itself against overloaded `operator&()`.

While we're in the neighbourhood, we should editorially change `0` to `nullptr`.

[2014-06-16 Rapperswil]

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Proposed resolution:

This wording is relative to N3936.

1. Change 20.11.3.11 [util.smartptr.getdeleter] as indicated:

   >     template <class D, class T> get_deleter(const shared_ptr<T>& p) noexcept;

   > -1- Returns: If `p` owns a deleter `d` of type cv-unqualified `D`, returns `&std::addressof(d)`; otherwise returns `0nullptr`. […]