30 lines
464 B
Elixir
30 lines
464 B
Elixir
defmodule Geometry do
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def rectangle_area(a, b) do
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a * b
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end
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def rectangle_area_condensed(a, b), do: a * b
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end
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defmodule Rectangle do
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def area(a, b), do: a * b
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def area(a), do: area(a, a)
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end
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defmodule GeometryMultiClause do
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def area({:rectangle, a, b}) do
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a * b
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end
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def area({:square, a}) do
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a * a
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end
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def area({:circle, r}) do
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r * r * 3.14159
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end
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def area(unknown) do
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{:error, {:unkown_shape, unknown}}
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end
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end
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