24 lines
631 B
Elixir
24 lines
631 B
Elixir
defmodule KitchenCalculator do
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defp milliliter(:milliliter), do: 1
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defp milliliter(:cup), do: 240
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defp milliliter(:fluid_ounce), do: 30
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defp milliliter(:teaspoon), do: 5
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defp milliliter(:tablespoon), do: 15
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def get_volume(_volume_pair = {_, volume}), do: volume
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def to_milliliter(_volume_pair = {from_unit, volume}),
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do:
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{:milliliter, milliliter(from_unit) * volume}
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def from_milliliter(_volume_pair = {:milliliter, volume}, to_unit),
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do:
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{to_unit, volume / milliliter(to_unit)}
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def convert(volume_pair, unit) do
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volume_pair
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|> to_milliliter
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|> from_milliliter(unit)
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end
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end
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