See an earlier discussion on a similar idea: https://groups.google.com/forum/#!topic/elixir-lang-core/eE_mMWKdVYY
On Friday, January 20, 2017 at 3:12:37 PM UTC-5, Paul Schoenfelder wrote: > > Sorry Josh, I should have replied to your original proposal. What I was > getting at is that you can already use the existing Enum sorting functions > with Dates, just by providing a sorter function, you don't have to convert > to/from. As José mentioned though, there isn't any way to make Enum.sort/1 > itself work on structs, it's up to the struct implementor to define > functions which can be easily used with `Enum.sort_by` to make them > sortable, such as `DateTime.to_unix`. There have been previous > conversations on the mailing list about this subject, but I don't believe > any of them got to a point where there was a viable implementation. > > Paul > > > On Fri, Jan 20, 2017 at 2:03 PM, Josh Crews <crews...@gmail.com > <javascript:>> wrote: > >> Hi. I love Timex so much! >> >> Regarding work around... I guess? >> >> What do you think of the main thread question, "should Enum.sort work on >> Date types"? >> >> On Friday, January 20, 2017 at 1:42:20 PM UTC-6, Paul Schoenfelder wrote: >>> >>> Probably easier to use `Enum.sort_by(dates, &DateTime.to_unix/1)`, no? >>> >>> Paul >>> >>> On Fri, Jan 20, 2017 at 1:39 PM, Josh Crews <crews...@gmail.com> wrote: >>> >>>> Current behavior: >>>> >>>> >>>> iex(3)> [~D[2017-01-04], ~D[2017-04-03], ~D[2017-01-05]] |> Enum.sort >>>> >>>> [~D[2017-04-03], ~D[2017-01-04], ~D[2017-01-05]] >>>> >>>> >>>> Proposed: >>>> >>>> iex(3)> [~D[2017-01-04], ~D[2017-04-03], ~D[2017-01-05]] |> Enum.sort >>>> >>>> [~D[2017-01-04], ~D[2017-01-05], ~D[2017-04-03]] >>>> >>>> >>>> What I'm currently doing is: >>>> >>>> iex(4)> [~D[2017-01-04], ~D[2017-04-03], ~D[2017-01-05]] |> >>>> Enum.map(&(Date.to_erl/1)) |> Enum.sort |> Enum.map(&(Date.from_erl!/1)) >>>> >>>> [~D[2017-01-04], ~D[2017-01-05], ~D[2017-04-03]] >>>> >>>> >>>> which is working great, but would be cool to have Enum.sort work on >>>> Date types too. >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "elixir-lang-core" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to elixir-lang-co...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/elixir-lang-core/5cb8a9f9-ee03-497e-87d6-7bd9633b2f78%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/elixir-lang-core/5cb8a9f9-ee03-497e-87d6-7bd9633b2f78%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "elixir-lang-core" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to elixir-lang-co...@googlegroups.com <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/elixir-lang-core/8a996168-b548-4730-a2a6-baa38a88d712%40googlegroups.com >> >> <https://groups.google.com/d/msgid/elixir-lang-core/8a996168-b548-4730-a2a6-baa38a88d712%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "elixir-lang-core" group. To unsubscribe from this group and stop receiving emails from it, send an email to elixir-lang-core+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-core/a20f87db-6137-42b8-9943-1d88aa141cc5%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
