#[derive(Clone, Copy, Debug, PartialEq)]
pub enum Metric {
	Metre,
	Gram,
}

#[derive(Clone, Copy, Debug, PartialEq)]
pub enum NonMetric {
	// Length
	Foot,
	Inch,
	Mile,
	Yard,
	// Weight
	Ounce,
	Pound,
	Stone,
}

#[derive(Debug, PartialEq)]
pub struct MetricQuantity {
	pub amount: f64,
	pub unit: Metric,
}

#[derive(Debug, PartialEq)]
pub struct NonMetricQuantity {
	pub amount: f64,
	pub unit: NonMetric,
}