How to define property type to Array!struct?

[Steven Schveighoffer]

On 12/15/21 6:36 AM, Manfred Nowak wrote:
> On Tuesday, 14 December 2021 at 08:28:01 UTC, WebFreak001 wrote:
> [...]
>> Alternatively, remove the template `()` from your `struct Header`
> 
> What is the semantic sense of a template having no parameters?
> 
> Although the documentation declares such a template to be syntactically 
> correct, not a single example suggests a meaning.

It's just a template with no parameters, like a function with no 
parameters. It provides a separate namespace for items.

A struct with empty template parameters is equivalent to:

```d
template T()
{
    struct T {}
}
```

-Steve