Rust study : match enum

match_enum.rs

/*
The rust by example ko httpshttps://hanbum.gitbooks.io/rustbyexample/content/flow_control/match/destructuring/destructure_enum.html
compiled on https://play.rust-lang.org/
result :
This color is Red
This color is Blue
This color is Green
R:255 G:255 B:255
C:128 M:128 Y:128 K:128
*/

#[allow(dead_code)]
enum Color {
    Red,
    Blue,
    Green,
    RGB(u32, u32, u32),
    HSV(u32, u32, u32),
    HSL(u32, u32, u32),
    CMY(u32, u32, u32),
    CMYK(u32, u32, u32, u32),
}

fn color_match(color: Color)
{
    match color {
        Color::Red              => println!("This color is Red"),
        Color::Blue             => println!("This color is Blue"),
        Color::Green            => println!("This color is Green"),
        Color::RGB(r,g,b)       => println!("R:{} G:{} B:{}", r, g, b),
        Color::HSV(h, s, v)     => println!("H:{} S:{} V:{}", h, s, v),
        Color::HSL(h, s, l)     => println!("H:{} S:{} L:{}", h, s, l),
        Color::CMY(c, m, y)     => println!("C:{} M:{} Y:{}", c, m, y),
        Color::CMYK(c, m, y, k) => println!("C:{} M:{} Y:{} K:{}", c, m, y, k),
    }
}

fn main()
{
    let color = Color::Red;
    color_match(color);
    
    let color = Color::Blue;
    color_match(color);

    let color = Color::Green;
    color_match(color);

    let color = Color::RGB(255, 255, 255);
    color_match(color);
    
    let color = Color::CMYK(128, 128, 128, 128);
    color_match(color);
    
}