More std.allocator goodies coming your way: better statistics

[Andrei Alexandrescu via Digitalmars-d]

Beautiful statistics accumulated for the allocator instance and/or per 
call location:

http://erdani.com/d/phobos-prerelease/std_experimental_allocator_stats_collector.html
https://github.com/andralex/phobos/blob/allocator/std/experimental/allocator/stats_collector.d

Destructors welcome.


Andrei