Copy Constructor DIP and implementation

[Per Nordlöw]

On Tuesday, 11 September 2018 at 23:56:56 UTC, Walter Bright 
wrote:
> On 9/11/2018 8:08 AM, RazvanN wrote:
>> [1] https://github.com/dlang/DIPs/pull/129
>> [2] https://github.com/dlang/dmd/pull/8688
>
> Thank you, RazvanN!

I very much agree!