Detecting exception unwinding

[Ola Fosheim Grøstad via Digitalmars-d-learn]

On Saturday, 6 February 2016 at 22:51:45 UTC, cy wrote:
> auto e = somethingThatFails()
> scope(failure) cleanup(e);
>
> makes more sense to me, since it's blatantly obvious that the 
> construction (and entering) process isn't covered by the 
> cleanup routine.

Not sure what you mean by that. Destructors shall not be called 
if constructors fail, constructors should clean up themselves.

"scope(failure)" is useful for C-like APIs, but not a good 
replacement for RAII.