RCArray is unsafe

[Zach the Mystic via Digitalmars-d]

On Monday, 2 March 2015 at 22:58:19 UTC, Walter Bright wrote:
> His insight was that the deletion of the payload occurred 
> before the end of the lifetime of the RC object, and that this 
> was the source of the problem. If the deletion of the payload 
> occurs during the destructor call, rather than the postblit,

RcArray, a struct, already does this. You wouldn't delete in a 
postblit anyway would you? Do you need opRelease and ~this to be 
separate for structs too?