18.11.4.9: get_constant not actually a UnaryTypeTrait

[hubert-reinterpretcast]

A constexpr variable may be of class type, so inheriting from integral_constant would not provide a value in the manner described (since non-type template parameters of class type are rather newer than C++14).

[camio]

Sounds like a DR no?

[hubert-reinterpretcast]

I guess more words may be necessary to describe the type if we do not describe by way of UnaryTypeTrait. What would be the plan to track this then?

[Axel-Naumann]

I agree with David: it looks like a design issue to me; not part of the wording review but an issue that needs to be handled post-publication. Tracking this as a Github issue is fine for me.