My experience making an on-disk merge sort using ranges

[Chris Cain]

After reading bearophile's post, I realized I neglected to 
mention I was using 2.062.

On Wednesday, 27 February 2013 at 03:16:39 UTC, bearophile wrote:
>
> With the latest compiler this compiles to me
> ...

Interesting. map!text() compiles but it crashes. It's worth 
noting that map!text().cached() works without crashing on my end.

That said, it's not the first time I've seen Object Violation 
while working on this problem. Although, I was previously certain 
the times it was failing with that was my fault (because I was 
trying to implement a version of a wrapper where I mistakenly 
took the address of the value type MapResult without thinking 
that it meant I was taking the address of the stack ... whoops).

I wonder why using