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const tooSection: 16.3.3.3.5 [customization.point.object] Status: Resolved Submitter: Tim Song Opened: 2020-12-15 Last modified: 2021-06-14
Priority: 3
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Discussion:
16.3.3.3.5 [customization.point.object] promises that customization point objects
are semiregular and that all copies are equal, which permits copies to
be freely made. In C++, making copies tends to drop cv-qualification,
but there does not appear to be anything that guarantees that you can
invoke these objects as non-const (or as rvalues, for that matter).
invocable<const F&, Args...> here was
meant to bring in implicit expression variations, but P2102R0
has since clarified that this formulation doesn't do that.
[2021-01-15; Telecon prioritization]
Set priority to 3 following reflector and telecon discussions.
[2021-06-13 Resolved by the adoption of P2281R1 at the June 2021 plenary. Status changed: New → Resolved.]
Proposed resolution: