Code shared from the Rust Playground

playground.rs

extern crate rgb;
pub mod openktg {
    use rgb::*;

    #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
    pub struct LinearLight(u16);

    impl LinearLight {
        pub fn new(x: u16) -> LinearLight {
            LinearLight { 0: x }
        }
    }

    impl Add for LinearLight {
        type Output = LinearLight;
        fn add(self, other: LinearLight) -> LinearLight {
            LinearLight(self.0.saturating_add(other.0))
        }
    }

    pub type LinearRGBA = RGBA<LinearLight, u16>;
}
fn main() {
    let px = LinearRGBA {
        r: LinearLight::new(65535),
        g: LinearLight::new(65535),
        b: LinearLight::new(65535),
        a: 255,
    };
    let px2 = px.map(|channel| channel + 100);
    println!("{:?}", px2);
}