// Generalizes the suggestion introduced in #100838 trait Foo { fn bar(&self, _: T); } impl Foo for i32 { fn bar(&self, x: i32) { println!("{}", self + x); } } fn main() { 1.bar::(0); //~^ ERROR method takes 0 generic arguments but 1 generic argument was supplied //~| HELP consider moving this generic argument to the `Foo` trait, which takes up to 1 argument //~| HELP remove the unnecessary generics }