Strings and Slices

[Mike Brown]

On Saturday, 20 February 2021 at 19:28:00 UTC, Mike Brown wrote:
> On Thursday, 18 February 2021 at 21:08:45 UTC, Adam D. Ruppe 
> wrote:
>> [...]
>
> Thank you. Is there a standardised type to make "mark"? size_t 
> or is a normal integer suitable?

Ah, and whats the recommended way to iterate over a slice using a 
mark? Can I get the current iteration point from a foreach loop?