How can I check to see if template type is an array?

[Paul Backus]

On Tuesday, 19 January 2021 at 22:34:04 UTC, Tim wrote:
> On Tuesday, 19 January 2021 at 22:31:47 UTC, Paul Backus wrote:
>> You've almost got it. The correct syntax is `is(T == U[], U)`. 
>> You can read it as "there exists some type U such that T == 
>> U[]".
>
> Thanks! Do I need to specify U in the template function?

No, only inside the is(...) expression.