[Issue 20816] this template parameter does not work on static method

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20816

Mathias LANG <pro.mathias.lang at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |pro.mathias.lang at gmail.com

--- Comment #1 from Mathias LANG <pro.mathias.lang at gmail.com> ---
I had a similar problem recently. Wanted to use `typeof(this)` in a factory
method, to return either a `T`, `const(T)`, or `immutable(T)`, but that didn't
work out because you're not supposed to use `this` in a static method. But I
think it would be a welcome enhancement.

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