[Issue 12858] Document opEquals usage in AAs

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=12858

Denis Shelomovskij <verylonglogin....@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |verylonglogin....@gmail.com
           Hardware|x86_64                      |All
            Version|unspecified                 |D2
                 OS|Linux                       |All

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