rust/src/test/ui/suggestions/suggest-methods.rs

// 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, 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 for `count_zeros()`. `count_ones()` is also a close
    // match, but the former is closer.
    let _ = 63u32.count_eos();

    // Does not generate a warning
    let _ = 63u32.count_o();

}