perpetual: new module for mapping file into memory

[Laeeth Isharc via Digitalmars-d-announce]

On Tuesday, 18 August 2015 at 14:32:18 UTC, Sergei Degtiarev 
wrote:
> On Tuesday, 18 August 2015 at 06:52:47 UTC, Dmitry Olshansky 
> wrote:
>> What I don't like is perpetual being a class - too bad as it 
>> won't honor scoping and destructor may or may not be called. 
>> Just make it a struct.
> Why do you think the destructor may not be called? It is, and 
> it syncs memory and unmaps the file. Making perpetual a struct 
> would require implementing reference counting or disabling 
> copying, and all such staff. In my opinion, perpetual should 
> definitely have reference semantics, this is exactly a point 
> where D shines.

It might be run, but there is no guarantee a class destructor 
will ever be called.  A struct destructor will be when it goes 
out of scope.  Hence Scoped!

http://forum.dlang.org/thread/ikuomwcxhydluojkhjqy@forum.dlang.org