18 lines
278 B
Elixir
18 lines
278 B
Elixir
defmodule Extras do
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@doc """
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Return an ascending range starting at `a` and ending at `b` (exclusive).
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## Examples
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iex> Extras.range(2, 5)
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[2, 3, 4]
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"""
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def range(a, b) do
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if b <= a do
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[]
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else
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[a] ++ range(a + 1, b)
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end
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end
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end
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