// Copyright 2017 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. 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); let s = "foo".to_string(); let _ = s.is_emtpy(); // Generates a warning, both for count_ones and count_zeros let _ = 63u32.count_eos(); let _ = 63u32.count_o(); // Does not generate a warning }