Rewrite rules for ranges

[Daniel Murphy via Digitalmars-d]

"bearophile"  wrote in message news:rrtewrwyiuhmkvmhfkuk at forum.dlang.org...

> > Seems like something that would fit in well with dscanner.
>
> Nope. It's not a bug for the programmer, it's an optimization pass for the 
> compiler. And it should work after inlining.

It's not a programmer bug, but that doesn't mean a tool to suggest possible 
optimizations and point out potential performance bottlenecks wouldn't be 
useful.