This proposal does not make sense, since sorting non-ASCII= strings is locale dependent, so there can't exist a `sort_by_utf` meth= od. The `sort_alphabetical` gem is broken in this regard, as well:

```i= rb

$ irb -rsort_alphabetical
irb(main):001:0> ["i"= ;, "=C4=B1"].sort_alphabetical
=3D> ["i", "= =C4=B1"]
irb(main):002:0> ["i", "=C4=B1", &q= uot;=C3=BC", "u"].sort_alphabetical
=3D> ["i"= ;, "u", "=C3=BC", "=C4=B1"]
=

```

None of the above results make any sense for Tur= kish character sorting, the expected sorting should have been `["=C4= =B1", "i", "u", "=C3=BC"]` which you can= see here:=C2=A0https://simple.wikipedia.org/wiki/Turkish_alphabet

As a general point, string literals are not going to be frozen=C2= =A0any time=C2=A0soon, and there will always be an option to disable it eve= n when string literals are frozen by default. So, IMO, this is not a valid = argument for adding features to Ruby.

Ufuk Kayseriliogl= u

On Mon, 27 May 2024 at 13:34, d_rems--- via ruby-cor= e <ruby-core@ml.ruby-lang.= org> wrote:

Since it has been declared that frozen_string_literal will print warning= s in Ruby 3.4. and will be mandatory in the future I must warn, that ruby s= till doesn't have built in method for sorting by UTF-8 characters.

Most of string methods work OK with UTF-8 strings, but not sort.

I've been using sort_alphabetical gem [ https://gith= ub.com/grosser/sort_alphabetical ] for a long time and it works good fo= r me. Problem is that it depends on unicode_utils gem [ https:/= /github.com/lang/unicode_utils ] which looks like a=C2=A0 dead reposito= ry, since repository owner has not been active for a decade.

And unicode_utils use a lot of code which is not complied with frozen_strin= g_literal.

I am proposing to include UTF-8 sort (ex. sort_by_utf) method into next rub= y version or at least include (and correct) those two gems in a future Ruby= distribution.

Thanks

by
TheR
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