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Section: 18.104.22.168 [fund.ts.v2::memory.smartptr.weak.const] Status: TS Submitter: Tim Song Opened: 2015-07-25 Last modified: 2017-07-30
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[memory.smartptr.weak.const] altered the constraints on weak_ptr's constructor from const weak_ptr<Y>& and const shared_ptr<Y>&. The constraints on the converting move constructor from weak_ptr<Y>&& was not, but should be, similarly modified.
Daniel adjusts wording to lib. fund. v2. As link to the originating proposal: The discussion in this issue refers to wording changes that were requested by N3920.
Adopted during NB comment resolution
This wording is relative to N4529.
At the end of [memory.smartptr.weak.const], add:
[Drafting note: The current paragraph [memory.smartptr.weak.const] p2 is incorrectly declared as Requires element, but it does not describe a requirement, instead it describes a "template constraint" which are elsewhere always specified within a Remarks element because it describes constraints that an implementation (and not the user) has to meet. See LWG 2292 for a suggestion to introduce a separate new specification element for this situation. This has also been fixed in the current working draft. — end drafting note]