class BetweenMatcher
  defm match(bounds, actual)
    [min, max] = bounds
    return actual >= min && actual <= max
  end

  defm failure_message_for_match(bounds, actual)
    [min, max] = bounds
    return "expected “#{actual}” to be between “#{min} .. #{max}”"
  end

  defm failure_message_for_mismatch(bounds, actual)
    [min, max] = bounds
    return "expected “#{actual}” to not be between “#{min} .. #{max}”"
  end
end