16 lines
436 B
Plaintext
16 lines
436 B
Plaintext
defmodule Nested do
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def makeList(separator) do
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counter = 1
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makeItem = fn {}, item ->
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{"#{counter}#{separator}#{item}\n", counter+1}
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{result, counter}, item ->
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{result <> "#{counter}#{separator}#{item}\n", counter+1}
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end
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{} |> makeItem.("first") |> makeItem.("second") |> makeItem.("third") |> elem(0)
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end
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end
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IO.write Nested.makeList(". ")
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