66 lines
1.4 KiB
Rust
66 lines
1.4 KiB
Rust
use core::{
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fmt,
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ops::{Add, Div, Neg, Sub},
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};
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macro_rules! impl_add_sub {
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($Type: ident) => {
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impl Add<$Type> for $Type {
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type Output = $Type;
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fn add(self, rhs: $Type) -> $Type {
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$Type(self.0 + rhs.0)
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}
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}
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impl Sub<$Type> for $Type {
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type Output = $Type;
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fn sub(self, rhs: $Type) -> $Type {
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$Type(self.0 - rhs.0)
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}
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}
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impl Neg for $Type {
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type Output = $Type;
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fn neg(self) -> $Type {
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$Type(-self.0)
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}
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}
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}
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}
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#[derive(Debug, Clone, Copy, PartialEq, PartialOrd)]
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pub struct Volts(pub f64);
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impl_add_sub!(Volts);
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impl fmt::Display for Volts {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "{:.3}V", self.0)
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}
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}
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impl Div<Ohms> for Volts {
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type Output = Amps;
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fn div(self, rhs: Ohms) -> Amps {
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Amps(self.0 / rhs.0)
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}
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}
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#[derive(Debug, Clone, Copy, PartialEq, PartialOrd)]
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pub struct Amps(pub f64);
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impl_add_sub!(Amps);
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impl fmt::Display for Amps {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "{:.3}A", self.0)
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}
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}
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#[derive(Debug, Clone, Copy, PartialEq, PartialOrd)]
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pub struct Ohms(pub f64);
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impl_add_sub!(Ohms);
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impl fmt::Display for Ohms {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "{:.3}Ω", self.0)
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}
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}
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