Deprecating this(this)

[Nick Treleaven]

On Thursday, 5 April 2018 at 18:46:25 UTC, H. S. Teoh wrote:
> I like this idea.  Except the syntax could be improved:
>
> 	this(this orig)		// <-- N.B.
> 	{

It's already valid syntax, equivalent to `this(typeof(this) 
orig)`. It can be called explicitly, but is ignored for implicit 
construction. Perhaps we will just enable `this(typeof(this) 
orig)` for implicit construction too, if there's no postblit 
defined.