[Issue 18998] Improve Operator Overloading docs

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18998

--- Comment #7 from Dlang Bot <dlang-bot at dlang.rocks> ---
dlang/dlang.org pull request #3652 "[spec] Improve opCast & `opCast!bool` docs"
was merged into master:

- a6cfd0db7b7f74ec27c2d908d017d82e5355023b by Nick Treleaven:
  Part of
  Issue 18998 - Improve Operator Overloading docs

https://github.com/dlang/dlang.org/pull/3652

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