[Issue 18323] deprecate `void fun(this a)` (instead: typeof(this)) ; `var.init` (instead: typeof(var).init)

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18323

RazvanN <razvan.nitu1305 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |razvan.nitu1305 at gmail.com

--- Comment #1 from RazvanN <razvan.nitu1305 at gmail.com> ---
`this a` is an error now, however, the init on the variable still works.

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