Deprecating this(this)

[Kagamin]

On Sunday, 1 April 2018 at 14:31:24 UTC, Andrei Alexandrescu 
wrote:
> There's a mix of fundamental flaws and bugs. I'll get to the 
> flaws in a second. About the bugs: people have altered their 
> code in various ways to work with the bizarre semantics of 
> this(this). Now, if we fix various bugs in this(this) by 
> virtually redefining it, then we'll break a lot of code in a 
> lot of ways. To wit, we fixed a small issue and it already 
> created problems: https://github.com/dlang/dmd/pull/8032. That 
> didn't contribute to the decision but is quite illustrative.

Since poorly thought decisions keep being made for the language 
it's doubtful that "no breakage" policy has real backing.