//@run-rustfix

#![warn(clippy::comparison_to_empty)]
#![allow(clippy::useless_vec)]

fn main() {
    // Disallow comparisons to empty
    let s = String::new();
    let _ = s.is_empty();
    let _ = !s.is_empty();

    let v = vec![0];
    let _ = v.is_empty();
    let _ = !v.is_empty();

    // Allow comparisons to non-empty
    let s = String::new();
    let _ = s == " ";
    let _ = s != " ";

    let v = vec![0];
    let _ = v == [0];
    let _ = v != [0];
}