struct Foo; impl Foo { fn bar(self) {} fn baz(&self, x: f64) {} } trait FooT { fn bag(&self); } impl FooT for Foo { fn bag(&self) {} } fn main() { let f = Foo; f.bat(1.0); //~ ERROR no method named let s = "foo".to_string(); let _ = s.is_emtpy(); //~ ERROR no method named // Generates a warning for `count_zeros()`. `count_ones()` is also a close // match, but the former is closer. let _ = 63u32.count_eos(); //~ ERROR no method named // Does not generate a warning let _ = 63u32.count_o(); //~ ERROR no method named }