[Issue 17263] Issue diagnostic if mandatory template parameter is missing

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=17263

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

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |WORKSFORME

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