defmodule UnitFunDivisionTest.Meters do use UnitFun.Unit end defmodule UnitFunDivisionTest.Second do use UnitFun.Unit end defmodule UnitFunDivisionTest.Miles do use UnitFun.Unit end defimpl UnitFun.Convertor, for: UnitFunDivisionTest.Meters do alias UnitFunDivisionTest.Miles def convert(_, Miles, value) do value * 1.6 * 1000 end end