Elixir Advent of Code template

README.md

Run the code:

elixir dayx.exs input.txt

Run the tests:

elixir dayx.exs --test

dayx.exs

defmodule DayX do
  def call(input) do
    input
    |> String.split("\n", trim: true)
  end
end


case System.argv() do
  ["--test"] ->

ExUnit.start()

defmodule DayXTest do
  use ExUnit.Case
  import DayX

  test "" do
    assert call("""
    """) == []
  end
end

  [input_file] ->
    input_file
    |> File.read!()
    |> DayX.call
    |> IO.puts

  _ ->

    IO.puts :stderr, "wrong argument"
    System.halt(1)
end