quantity! {
quantity: SpecificArea; "specific area";
dimension: ISQ<
P2, N1, Z0, Z0, Z0, Z0, Z0>; units {
@square_meter_per_kilogram: prefix!(none); "m²/kg", "square meter per kilogram",
"square meters per kilogram";
@square_centimeter_per_kilogram: prefix!(centi) * prefix!(centi); "cm²/kg",
"square centimeter per kilogram", "square centimeters per kilogram";
@square_meter_per_gram: prefix!(none) / prefix!(milli); "m²/g", "square meter per gram",
"square meters per gram";
@square_centimeter_per_gram: prefix!(centi) * prefix!(centi) / prefix!(milli); "cm²/g",
"square centimeter per gram", "square centimeters per gram";
}
}
#[cfg(test)]
mod tests {
storage_types! {
use crate::num::One;
use crate::si::area as a;
use crate::si::mass as m;
use crate::si::specific_area as sa;
use crate::si::quantities::*;
use crate::tests::Test;
#[test]
fn check_dimension() {
let _: SpecificArea<V> = Area::new::<a::square_meter>(V::one()) / Mass::new::<m::kilogram>(V::one());
}
#[test]
fn check_units() {
test::<a::square_meter, m::kilogram, sa::square_meter_per_kilogram>();
test::<a::square_centimeter, m::kilogram, sa::square_centimeter_per_kilogram>();
test::<a::square_meter, m::gram, sa::square_meter_per_gram>();
test::<a::square_centimeter, m::gram, sa::square_centimeter_per_gram>();
fn test<A: a::Conversion<V>, M: m::Conversion<V>, SA: sa::Conversion<V>, >() {
Test::assert_eq(&SpecificArea::new::<SA>(V::one()),
&(Area::new::<A>(V::one()) / Mass::new::<M>(V::one())));
}
}
}
}