Forward ranges in Phobos v2

[Alexandru Ermicioi]

On Monday, 1 November 2021 at 14:13:00 UTC, H. S. Teoh wrote:
> If you have a struct but it only supports input range 
> semantics, then you could pass it by ref or pass a pointer to 
> it.
>
> If you have a class but it supports forward range semantics, 
> then wrap it in a struct with a copy ctor that saves state in 
> the copy ctor.
>
>
> T

What about random access range?

If you don't care for the implementation of the range but only 
being a forward range, how would you express it as a parameter 
for a method?

Best regards,
Alexandru.