[Issue 21022] std.range.only does not work with const

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21022

Dlang Bot <dlang-bot at dlang.rocks> changed:

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--- Comment #1 from Dlang Bot <dlang-bot at dlang.rocks> ---
@dukc created dlang/phobos pull request #8271 "Fix issue 21022 - only should
work with qualifiers" fixing this issue:

- Fix issue 21022 - only should work with qualifiers

https://github.com/dlang/phobos/pull/8271

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