Case study on ranges and lazy evaluation

[John Colvin via Digitalmars-d-announce]

On Monday, 20 July 2015 at 18:17:18 UTC, Adam D. Ruppe wrote:
> Quick, what does this loop in this function do?
>
> void PanelBar::RepositionExpandedPanels(Panel* fixed_panel)
>
>
> I'm willing to guess it repositions the expanded panels.... 
> named functions are the best abstraction.

That's great for an API user, but it's not as massively impactful 
for actually getting the code right, changing the code, finding 
the bugs in the code, etc... where you need to actually need to 
understand the logic.