[Issue 15549] [ndslice] byElement is broken for packed slices

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15549

--- Comment #2 from Илья Ярошенко <ilyayaroshenko at gmail.com> ---
(In reply to Jack Stouffer from comment #1)
> Could you give an example?

Unittest was added:
https://github.com/D-Programming-Language/phobos/pull/3920/files

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