How does D distnguish managed pointers from raw pointers?

[Dennis]

On Friday, 4 October 2019 at 18:43:34 UTC, H. S. Teoh wrote:
> Actually, it *does* automatically convert the static array to a 
> slice.

You're right, I'm confused. I recall there was a situation where 
you had to explicitly slice a static array, but I can't think of 
it now.