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pub(crate) trait BoolExt {
fn into_f32(self) -> f32;
fn toggle(&mut self);
}
impl BoolExt for bool {
fn into_f32(self) -> f32 {
u8::from(self) as f32
}
fn toggle(&mut self) {
*self = !*self;
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn into_f32() {
assert_eq!(false.into_f32(), 0.0);
assert_eq!(true.into_f32(), 1.0);
}
#[test]
fn toggle() {
let mut b = false;
b.toggle();
assert!(b);
b.toggle();
assert!(!b);
b.toggle();
assert!(b);
}
}