Code shared from the Rust Playground

playground.rs

const A: i32 = 23;
const B: i32 = 16;
const C: i32 = 43;

fn main() {
    match 23 {
        A => println!("Input is equal to A"),
        B => println!("Input is equal to B"),
        C => println!("Input is equal to C"),
        _ => println!("Input does not equal any value"),
    }
    
    match 42 {
        A => println!("Input is equal to A"),
        B => println!("Input is equal to B"),
        C => println!("Input is equal to C"),
        _ => println!("Input does not equal any value"),
    }
    
    match 16 {
        A => println!("Input is equal to A"),
        B => println!("Input is equal to B"),
        C => println!("Input is equal to C"),
        _ => println!("Input does not equal any value"),
    }
}