#![deny(clippy::string_to_string)]
#![allow(clippy::unnecessary_literal_unwrap, clippy::useless_vec, clippy::iter_cloned_collect)]

fn main() {
    let variable1 = String::new();
    let v = &variable1;
    let variable2 = Some(v);
    let _ = variable2.cloned();
    //~^ string_to_string
    let _ = variable2.cloned();
    //~^ string_to_string
    #[rustfmt::skip]
    let _ = variable2.cloned();
    //~^ string_to_string

    let _ = vec![String::new()].iter().cloned().collect::<Vec<_>>();
    //~^ string_to_string
    let _ = vec![String::new()].iter().cloned().collect::<Vec<_>>();
    //~^ string_to_string
}