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tonini/math.exs

Last active August 29, 2015 14:07
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math.exs
# Style 1
defmodule Math do
def double_each([]), do: []
def double_each([head|tail]) do
[head * 2 | double_each(tail)]
end
end
# Style 2
defmodule Math do
def double_each([head|tail]) do
[head * 2 | double_each(tail)]
end
def double_each([]) do
[]
end
end
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