// run-rustfix fn foo(x: &str) -> bool { x.starts_with("hi".to_string() + " you") //~^ ERROR expected a `FnMut<(char,)>` closure, found `String` } fn foo2(x: &str) -> bool { x.starts_with("hi".to_string()) //~^ ERROR expected a `FnMut<(char,)>` closure, found `String` } fn main() { foo("hi you"); foo2("hi"); }