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use std::fmt::{Display, Formatter, Result};
use std::ops::{Add, Sub, AddAssign, SubAssign, Div, Mul, DivAssign, MulAssign};
use crate::metric::Unit;
use crate::metric::Primitive;
use crate::declare_unit_basics;
#[derive(Copy, Clone, Debug, PartialOrd, PartialEq)]
pub enum PlaneAngle {
Base(f64, fn(f64) -> f64, &'static str),
Canonical(f64),
Radian(f64),
Degree(f64),
}
impl Unit<PlaneAngle> for PlaneAngle {
fn to_si_unit(&self) -> PlaneAngle {
match self {
PlaneAngle::Base(_, _, _) => self.clone(),
PlaneAngle::Canonical(value) => PlaneAngle::Base(value.clone(), |x| x, "m²"),
PlaneAngle::Radian(value) => PlaneAngle::Base(value.clone(), |x| x, "rad"),
PlaneAngle::Degree(value) => PlaneAngle::Base(value * std::f64::consts::PI / 180.0, |x| x / std::f64::consts::PI * 180.0, "°"),
}
}
}
declare_unit_basics!(PlaneAngle);
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