[Issue 18337] https://dlang.org/spec/operatoroverloading.html missing opIn/opIn_r

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18337

--- Comment #5 from github-bugzilla at puremagic.com ---
Commit pushed to master at https://github.com/dlang/dlang.org

https://github.com/dlang/dlang.org/commit/67e6545428a87b7a72a99f12ecd05bad880f0389
Add deprecation note for opIn and opIn_r to operatoroverloading.html

Fix issue 18337

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