// run-rustfix
#![allow(dead_code, unused_must_use)]

fn main() {}

#[allow(clippy::unnecessary_operation)]
fn starts_with() {
    "".starts_with(' ');
    !"".starts_with(' ');
}

fn chars_cmp_with_unwrap() {
    let s = String::from("foo");
    if s.starts_with('f') {
        // s.starts_with('f')
        // Nothing here
    }
    if s.ends_with('o') {
        // s.ends_with('o')
        // Nothing here
    }
    if s.ends_with('o') {
        // s.ends_with('o')
        // Nothing here
    }
    if !s.starts_with('f') {
        // !s.starts_with('f')
        // Nothing here
    }
    if !s.ends_with('o') {
        // !s.ends_with('o')
        // Nothing here
    }
    if !s.ends_with('o') {
        // !s.ends_with('o')
        // Nothing here
    }
}

#[allow(clippy::unnecessary_operation)]
fn ends_with() {
    "".ends_with(' ');
    !"".ends_with(' ');
    "".ends_with(' ');
    !"".ends_with(' ');
}