[Issue 16501] packed ndslices does not compile

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16501

--- Comment #2 from github-bugzilla at puremagic.com ---
Commits pushed to stable at https://github.com/dlang/phobos

https://github.com/dlang/phobos/commit/a3f205a19e2cc9fc9cae7ce84c1db3b63850eb97
fix 16501 and fix issue 16501

https://github.com/dlang/phobos/commit/a5e935370f5de590532bb5d12610c865343f56a9
Merge pull request #4781 from 9il/mapSlice

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