That seems appropriate to me (copying the core reflector).

John.

> On Mar 1, 2019, at 7:21 AM, Jonathan Wakely <cxx_at_[hidden]> wrote:
>
> The working draft doesn't specify a __cpp_concepts macro. I want to know if I need to say "concept bool" or just "concept", so I expected to be able to do:
>
> #if __cpp_concepts
> template<typename T>
> concept
> #if __cpp_concepts <= 201507
> bool
> #endif
> Foo = ...;
> #endif
>
> Should this be handled by a core issue?
>
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