C++ / Why Iterators Got It All Wrong

[jmh530 via Digitalmars-d]

On Tuesday, 29 August 2017 at 13:23:50 UTC, Steven Schveighoffer 
wrote:
>
> Interesting. It reminds me a bit of cursors for dcollections. 
> In there, a cursor is a 0 or 1 element range. The one element 
> range points at an element, the 0 element range points at a 
> border. You can use cursors to compose ranges.
>
> https://github.com/schveiguy/dcollections
>

I was thinking this exact same thing when I got to the Element 
part of it.

The mach library also makes use of cursors.
https://github.com/pineapplemachine/mach.d

I'm not entirely sure how if I grok how the Border thing they are 
talking about works.