tvl-depot/users/wpcarro/assessments/semiprimes/server/lib/extras.ex
Vincent Ambo 019f8fd211 subtree(users/wpcarro): docking briefcase at '24f5a642'
git-subtree-dir: users/wpcarro
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git-subtree-split: 24f5a642af
Change-Id: I6105b3762b79126b3488359c95978cadb3efa789
2021-12-14 02:15:47 +03:00

22 lines
373 B
Elixir

defmodule Extras do
@moduledoc """
Hosts utility functions intended to supplement the standard library.
"""
@doc """
Return an ascending range starting at `a` and ending at `b` (exclusive).
## Examples
iex> Extras.range(2, 5)
[2, 3, 4]
"""
def range(a, b) do
if b <= a do
[]
else
[a] ++ range(a + 1, b)
end
end
end