It should probably be done with using `into: joiner(",")`, where the joiner
implements the collectable protocol. join itself probably doesn't make much
sense because it doesn't play well with other options such as :into itself,
or :reduce.On Tue, Jun 21, 2022 at 6:15 PM Christian Blavier <cblav...@gmail.com> wrote: > Do you think a join option would be a good idea for comprehensions? > Something like Enum.map_join/2 that could map and join lists in a single > pass. > book_ids = for book <- books, join: ",", do: book.id > > If it looks like a good idea, I will open a PR. > > Best, > > Christian > > -- > 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/f8b94dec-35a1-4b78-a14c-6913c7206fe3n%40googlegroups.com > <https://groups.google.com/d/msgid/elixir-lang-core/f8b94dec-35a1-4b78-a14c-6913c7206fe3n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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/CAGnRm4LGpRuEHuK782TcBoMZvM7p%2Bw0-4nywFWEAT8ZU2%3DjpHA%40mail.gmail.com.
