From: "Martin J. Dürst" <duerst@...>
Date: 2016-08-02T20:24:06+09:00
Subject: [ruby-core:76663] Re: [Ruby trunk Feature#12648] `Enumerable#sort_by` with descending option

On 2016/08/02 18:57, sawadatsuyoshi@gmail.com wrote:
> Issue #12648 has been reported by Tsuyoshi Sawada.

> Feature #12648: `Enumerable#sort_by` with descending option
> https://bugs.ruby-lang.org/issues/12648

I have felt the need for such an additional argument (or something 
similar) quite recently. But the examples with numbers aren't very 
convincing, just changing

array.sort_by { |e| e }
to
array.sort_by { |e| -e }
will do the job. But there are many cases where that's not possible, 
starting with strings.

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