Accessing element in a List

Questions & Help Questions
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11

You can implement it using regular Elixir:

defmodule Experiments do
  def keyfind([head | tail], val, pos) when elem(head, pos) === val, do: head
  def keyfind([_ | tail], val, pos), do: keyfind(tail, val, pos)
  def keyfind([], _val, _pos), do: nil
end