#![warn(clippy::disallowed_methods)]

extern crate regex;
use regex::Regex;

fn main() {
    let re = Regex::new(r"ab.*c").unwrap();
    re.is_match("abc");

    let mut a = vec![1, 2, 3, 4];
    a.iter().sum::<i32>();

    a.sort_unstable();

    let _ = 2.0f32.clamp(3.0f32, 4.0f32);
    let _ = 2.0f64.clamp(3.0f64, 4.0f64);
}