12 lines
317 B
Elixir
12 lines
317 B
Elixir
defmodule Circle do
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@moduledoc "Implements basic circle functions"
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@pi 3.14159
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@doc "Computes the area of a circle"
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@spec area(number) :: number
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def area(r), do: r * r * @pi
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@doc "Computes the circumferenc of a circle"
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@spec circumference(number) :: number
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def circumference(r), do: 2 * r * @pi
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end
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