rust-clippy/tests/ui/search_is_some_fixable.fixed

// run-rustfix
#![allow(dead_code)]
#![warn(clippy::search_is_some)]

fn main() {
    let v = vec![3, 2, 1, 0, -1, -2, -3];
    let y = &&42;

    // Check `find().is_some()`, single-line case.
    let _ = v.iter().any(|x| *x < 0);
    let _ = (0..1).any(|x| **y == x); // one dereference less
    let _ = (0..1).any(|x| x == 0);
    let _ = v.iter().any(|x| *x == 0);

    // Check `position().is_some()`, single-line case.
    let _ = v.iter().any(|&x| x < 0);

    // Check `rposition().is_some()`, single-line case.
    let _ = v.iter().any(|&x| x < 0);

    let s1 = String::from("hello world");
    let s2 = String::from("world");
    // caller of `find()` is a `&`static str`
    let _ = "hello world".contains("world");
    let _ = "hello world".contains(&s2);
    let _ = "hello world".contains(&s2[2..]);
    // caller of `find()` is a `String`
    let _ = s1.contains("world");
    let _ = s1.contains(&s2);
    let _ = s1.contains(&s2[2..]);
    // caller of `find()` is slice of `String`
    let _ = s1[2..].contains("world");
    let _ = s1[2..].contains(&s2);
    let _ = s1[2..].contains(&s2[2..]);
}

fn is_none() {
    let v = vec![3, 2, 1, 0, -1, -2, -3];
    let y = &&42;

    // Check `find().is_none()`, single-line case.
    let _ = !v.iter().any(|x| *x < 0);
    let _ = !(0..1).any(|x| **y == x); // one dereference less
    let _ = !(0..1).any(|x| x == 0);
    let _ = !v.iter().any(|x| *x == 0);

    // Check `position().is_none()`, single-line case.
    let _ = !v.iter().any(|&x| x < 0);

    // Check `rposition().is_none()`, single-line case.
    let _ = !v.iter().any(|&x| x < 0);

    let s1 = String::from("hello world");
    let s2 = String::from("world");

    // caller of `find()` is a `&`static str`
    let _ = !"hello world".contains("world");
    let _ = !"hello world".contains(&s2);
    let _ = !"hello world".contains(&s2[2..]);
    // caller of `find()` is a `String`
    let _ = !s1.contains("world");
    let _ = !s1.contains(&s2);
    let _ = !s1.contains(&s2[2..]);
    // caller of `find()` is slice of `String`
    let _ = !s1[2..].contains("world");
    let _ = !s1[2..].contains(&s2);
    let _ = !s1[2..].contains(&s2[2..]);
}