#![feature(plugin)] #![plugin(clippy)] #[deny(cmp_owned)] #[allow(unnecessary_operation)] fn main() { fn with_to_string(x : &str) { x != "foo".to_string(); "foo".to_string() != x; } let x = "oh"; with_to_string(x); x != "foo".to_owned(); // removed String::from_str(..), as it has finally been removed in 1.4.0 // as of 2015-08-14 x != String::from("foo"); 42.to_string() == "42"; }