foreach() behavior on ranges

[frame]

On Tuesday, 24 August 2021 at 16:45:27 UTC, H. S. Teoh wrote:

>
> In some cases, you *want* to retain the same element between 
> loops, e.g., if you're iterating over elements of some category 
> and stop when you encounter something that belongs to the next 
> category -- you wouldn't want to consume that element, but 
> leave it to the next loop to consume it.  So it's not a good 
> idea to have break call .popFront automatically.  Similarly, 
> sometimes you might want to reuse an element (e.g., the loop 
> body detects a condition that warrants retrying).

I'm only talking about foreach() uses and that you should'nt need 
to mix it with manual methods. Such iterations are another topic.