Situation of "scope"?

[deadalnix]

On Tuesday, 9 July 2013 at 00:49:40 UTC, bearophile wrote:
> What is the situation regarding the implementation of scope" in 
> D, Walter? Are there some implementation difficulties that make 
> it hard to implement?
>

It require to define lifetime of basically everything. This is a 
difficult task to both implement and define (probably defining is 
the hardest part). Consider temporary for instance, defining 
their lifetime is quite difficult especially since their creation 
can be conditional.