<- will traverse the collection on the right side matching each element with the pattern on the left side. = is the = we all know and love.
On Friday, July 29, 2016, Pierre de Lacroix <[email protected]> wrote: > In a comprehension like this, what's the difference between pattern > matching with "<-" and "=" ? > > On Wed, 27 Jul 2016 05:20:09 +0000 > Peter Hamilton <[email protected] <javascript:;>> wrote: > > > This is a fairly straightforward (though a bit long) for > > comprehension: > > > > for {room_id, room} <- data, > > {date, obj} <- room, > > stuff = obj["important_stuff"], > > {child_id, child} <- stuff, > > child_id != "id" do > > %{ > > room_id: room_id, > > date: date, > > ... > > } > > end > > > > On Tue, Jul 26, 2016, 9:45 PM Sam Hains <[email protected] > <javascript:;>> wrote: > > > > > That should read: triple nested Enum.each **** > > > > > > -- > > > You received this message because you are subscribed to the Google > > > Groups "elixir-lang-talk" group. > > > To unsubscribe from this group and stop receiving emails from it, > > > send an email to [email protected] > <javascript:;>. > > > To view this discussion on the web visit > > > > https://groups.google.com/d/msgid/elixir-lang-talk/44849237-d460-4760-ad3d-4ced90c9f96c%40googlegroups.com > > > < > https://groups.google.com/d/msgid/elixir-lang-talk/44849237-d460-4760-ad3d-4ced90c9f96c%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-talk" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:;>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elixir-lang-talk/20160729153309.7e557ad9%40ArchPierre2 > . > For more options, visit https://groups.google.com/d/optout. > -- *José Valim* www.plataformatec.com.br Skype: jv.ptec Founder and Director of R&D -- You received this message because you are subscribed to the Google Groups "elixir-lang-talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-talk/CAGnRm4%2BAk5Qa0UUSXLH_Fh8VLGxBTALCRpOmFguKT78eOeNewQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
