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

#[derive(Clone, Copy, Debug, PartialEq)]
pub enum NonMetric {
	// Length
	Inch,
	Foot,
	Yard,
	Mile,
	// Mass
	Ounce,
	Pound,
	Stone,
	ShortTon,
	LongTon,
	// Temperature
	Fahrenheit,
	// Area
	SquareInch,
	SquareFoot,
	SquareYard,
	Acre,
	SquareMile,
	// Volume
	CubicInch,
	CubicFoot,
	CubicYard,
	// Fluid volume
	ImperialFluidOunce,
	ImperialPint,
	ImperialQuart,
	ImperialGallon,
	USTeaspoon,
	USTablespoon,
	USFluidOunce,
	USCup,
	USLiquidPint,
	USLiquidQuart,
	USGallon,
}

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

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