On Friday, 25 October 2013 at 12:09:34 UTC, Namespace wrote: > http://forum.dlang.org/thread/bug-11344-3@http.d.puremagic.com%2Fissues%2F K, I have sent a mail to beta list pointing to it. IMHO `destroy` constraints need to be much more strict as destroying only part of object via `alias this` unlikely ever to make sense and is very error-prone.