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use std::time::Duration;
pub struct MassFlowRate {
pub mass: Mass,
pub duration: Duration,
}
impl MassFlowRate {
pub fn as_kilograms_per_minute(&self) -> f64 {
self.mass.as_kilograms() / (self.duration.as_secs() as f64 / 60.)
}
pub fn as_pounds_per_minute(&self) -> f64 {
self.mass.as_pounds() / (self.duration.as_secs() as f64 / 60.)
}
}
pub struct VolumetricFlowRate {
pub volume: Volume,
pub duration: Duration,
}
impl VolumetricFlowRate {
pub fn as_cubic_metres_per_second(&self) -> f64 {
self.volume.as_cubic_metres() / self.duration.as_secs() as f64
}
pub fn as_cubic_feet_per_minute(&self) -> f64 {
self.volume.as_cubic_feet() / (self.duration.as_secs() as f64 / 60.)
}
}
#[derive(Default)]
pub struct Mass(f64); // Base unit is grams
impl Mass {
/* constructors */
pub fn from_grams(grams: f64) -> Mass {
Mass(grams)
}
pub fn from_kilograms(kilos: f64) -> Mass {
Mass(kilos / 1000.)
}
pub fn from_moles(moles: f64, molar_mass: f64) -> Mass {
let kilos = moles * molar_mass;
Mass::from_kilograms(kilos)
}
/* metric */
pub fn as_grams(&self) -> f64 {
self.0
}
pub fn as_kilograms(&self) -> f64 {
self.0 / 1000.
}
/* imperial */
pub fn as_pounds(&self) -> f64 {
self.0 * 0.002204623
}
}
pub struct Pressure(f64); // Base unit is pascals
impl Pressure {
pub fn from_pascals(pascals: f64) -> Self {
Self(pascals)
}
pub fn as_pascals(&self) -> f64 {
self.0
}
}
#[derive(Default)]
pub struct Temperature(f64); // Base unit is kelvin
impl Temperature {
pub fn from_kelvin(kelvin: f64) -> Temperature {
Temperature(kelvin)
}
pub fn as_kelvin(&self) -> f64 {
self.0
}
}
pub struct Volume(f64); // Base unit is cubic metres
impl Volume {
pub fn from_cubic_metres(cubic_metres: f64) -> Volume {
Volume(cubic_metres)
}
pub fn from_cubic_centimetres(cubic_centimetres: f64) -> Volume {
Volume(cubic_centimetres / 1_000_000.)
}
pub fn as_cubic_metres(&self) -> f64 {
self.0
}
pub fn as_cubic_centimetres(&self) -> f64 {
self.0 * 1_000_000.
}
pub fn as_cubic_feet(&self) -> f64 {
self.0 * 35.3147
}
}
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