1 // Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution.
4 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
5 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
7 // option. This file may not be copied, modified, or distributed
8 // except according to those terms.
10 #![warn(clippy::useless_vec)]
15 fn on_slice(_: &[u8]) {}
16 #[allow(clippy::ptr_arg)]
17 fn on_vec(_: &Vec<u8>) {}
24 fn length(&self) -> usize {
33 on_slice(&vec![1, 2]);
36 on_slice(&vec![1, 2]);
39 on_slice(&vec!(1, 2));
42 on_slice(&vec![1; 2]);
49 // Now with non-constant expressions
50 let line = Line { length: 2 };
52 on_slice(&vec![2; line.length]);
53 on_slice(&vec![2; line.length()]);
55 for a in vec![1, 2, 3] {
59 for a in vec![NonCopy, NonCopy] {