[Issue 13595] Extend std.algorithm.groupBy to support non-equivalence relations

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=13595

--- Comment #13 from Dlang Bot <dlang-bot at dlang.rocks> ---
dlang/phobos pull request #7794 " Fix Issue 13595 - added splitWhen" was merged
into master:

- 8122718d96167b84e2e073191e9c63766c7d08c0 by Ate Eskola:
  Fix Issue 13595 - Non-amended commit just to trigger the bot as rebasing
didn't work

https://github.com/dlang/phobos/pull/7794

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