And yes, you're right about Advent Of Code! :-) On Saturday, 1 December 2018 16:27:28 UTC, Parker Selbert wrote: > > I can't help but think that this request and the earlier doc improvements > to `Enum.reduce_while/3` are stemming from the first challenge in the > Advent of Code. > > Anyhow, is `Enum.sum/2` that much more expressive than `Enum.reduce/3`? > > Enum.reduce([1, 2, 3], 0, &(&1 * 2 + &2)) > > — Parker > > On Sat, Dec 1, 2018, at 10:18 AM, Sean Handley wrote: > > Hello, > > I'd like to propose *Enum.sum/2*, where the second argument is a function. > > This will allow writing > > > Enum.sum([1, 2, 3], &(&1 * 2)) > > > instead of > > > Enum.map([1,2,3], &(&1 * 2)) |> Enum.sum() > > > The advantages are: > > - Write less code. > - One few iteration across the collection. > > I have a branch prepared - > https://github.com/elixir-lang/elixir/compare/master...seanhandley:map_with_func > > Please let me know your thoughts. > > Cheers, > Sean > > > -- > 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/a6cb1e15-f32a-4e27-848d-ac8b80f080c0%40googlegroups.com > > <https://groups.google.com/d/msgid/elixir-lang-core/a6cb1e15-f32a-4e27-848d-ac8b80f080c0%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > >
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