This is an experiment in extending the API to support inline annotations.

I'm not sure if it's worth it, but wanted to give it a try and got it to work!

Alternatively, I was thinking of extending SourceAnnotation to allow users to specify the display format - under, inline or both, but that made the API a bit less readable IMO.

All I had to add to the examples/format.rs is:

@CAD97, @wycats, @brendanzab - thoughts?

I think it may be a path forward to allow for source coloring, if we enable custom "styles" and allow for such annotations. Not sure if it's the best way, but it's an option.

My primary goal is to visually aid analyzing the slice, not syntax coloring.

#97 will expand the API to allow different types of annotations.

If someone wants to move this forward from where we are at, I'd recommend creating an issue to discuss the idea.