greeting() -> String1pub fn greeting() -> String { 2 "Hello World".to_owned() 3 } 4 5 // too_many_args/clippy.toml will require no more than 2 args. with_args(_: u32, _: u32, _: u32)6pub fn with_args(_: u32, _: u32, _: u32) {} 7 8 #[cfg(test)] 9 mod tests { 10 use super::*; 11 #[test] it_works()12 fn it_works() { 13 assert_eq!(greeting(), "Hello World".to_owned()); 14 } 15 } 16