OverComplicatedCalculator/src/main.rs

use s5_cb_calculator::lexer::Lexer;

fn main() {
    let mut lexer = Lexer::new("15+(30^2-5)*2/4".chars().collect());
    while let Ok(Some(token)) = lexer.next() {
        println!("Token: {:?}", token)
    }
    println!("Hello, world!");
}