Hello, I want to create the loop of 4 numbers like this: [42%20pm] 1 Purple 2 Blue 3 Orange 4 Green these 4 numbers should be repeated again in my for loop <%= for el <- posts_entries do %> <%= el["title"] %> <%= the_number_which_I_need %> <% end %> For example, In repeating the fifth n…

[image] shahryarjb: Thank you, I have 2 questions: how do I use this in my code, I need it to be printed a number in my code each loop, like this: Oh, sure. You can use Enum.zip which returns list of tuples: posts_entries = ["a", "b", "c", "d", "e", "f", "g"] colors = Stream.cycle(["purple…

Thank you, I have 2 questions: how do I use this in my code, I need it to be printed a number in my code each loop, like this: the_number_which_I_need = 1 the_number_which_I_need = 2 the_number_which_I_need = 3 the_number_which_I_need = 4 the_number_which_I_need = 1 <%= for el <- posts_entries …

Enum and Stream are your friends and loaded with a bunch of functions that can help you with this: iex(1)> [:a, :b, :c, :d] |> Enum.with_index() |> Enum.map(fn {label, idx} -> {label, idx + 1} end) |> Stream.cycle() |> Stream.map(fn {label, nr} -> IO.puts "#{nr}: #{label}" end) |> Enum.take(10) 1:…

Elixir Programming Language Forum

How to create cycle function in elixir

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stefanchrobot August 24, 2018, 12:18pm 2

Stream.cycle([1,2,3,4]) |> Enum.take(10)