Need for (C++20) Contiguous Range

[Ola Fosheim Grøstad]

On Thursday, 8 October 2020 at 16:42:51 UTC, Steven Schveighoffer 
wrote:
> It should just be:
>
> enum isDynamicArray(T) = is(T == U[], U);

So if I create my owner container that has an opCast overload to 
a slice of the underlying buffer, would isDynamicArray be true 
for my container?

If not you need a new test.