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ryanflach (Ryan Flach)

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  • Registered on: 07/25/2019
  • Last sign in: 07/25/2019

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07/26/2019

12:39 AM Ruby Bug #16022: Enumerable#sort_by returns a swapped first and last element when the sort value is identical and collection is >= 8 elements
jeremyevans0 (Jeremy Evans) wrote:
> The current behavior is expected and documented: `The result is not guaranteed to be stable. When two keys are equal, the order of the corresponding elements is unpredictable.`
> ...
Jeremy,
Than... ryanflach (Ryan Flach)

07/25/2019

10:38 PM Ruby Bug #16022 (Rejected): Enumerable#sort_by returns a swapped first and last element when the sort value is identical and collection is >= 8 elements
**Overview**
I've seen in the source code that the ordering may be unpredictable (https://github.com/ruby/ruby/blob/515e106fb73a1a3bc69b6f1670bbaaebf45fee30/enum.c#L1159-L1160), but it seems to consistently swap the first and last eleme... ryanflach (Ryan Flach)

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