[Issue 23116] foreach with opApply infer ref when opApply delegate is templated

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23116

--- Comment #6 from Dlang Bot <dlang-bot at dlang.rocks> ---
@Bolpat created dlang/dlang.org pull request #3859 "Specify `opApply` as an
alias to a function template instance" fixing this issue:

- Fix Bugzilla Issues 23666, 17953, 23116, and 24633

https://github.com/dlang/dlang.org/pull/3859

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