src/tools/clippy/tests/ui/str_to_string.rs

#![warn(clippy::str_to_string)]

fn main() {
    let hello = "hello world".to_string();
    //~^ str_to_string

    let msg = &hello[..];
    msg.to_string();
    //~^ str_to_string
}

fn issue16271(key: &[u8]) {
    macro_rules! t {
        ($e:expr) => {
            match $e {
                Ok(e) => e,
                Err(e) => panic!("{} failed with {}", stringify!($e), e),
            }
        };
    }

    let _value = t!(str::from_utf8(key)).to_string();
    //~^ str_to_string
}