mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-23 03:23:33 +00:00
38 lines
838 B
Rust
38 lines
838 B
Rust
// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution.
|
|
//
|
|
// 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.
|
|
|
|
|
|
|
|
|
|
|
|
#![warn(clippy::all)]
|
|
#![allow(unused)]
|
|
|
|
fn the_answer(ref mut x: u8) {
|
|
*x = 42;
|
|
}
|
|
|
|
fn main() {
|
|
let mut x = 0;
|
|
the_answer(x);
|
|
// Closures should not warn
|
|
let y = |ref x| { println!("{:?}", x) };
|
|
y(1u8);
|
|
|
|
let ref x = 1;
|
|
|
|
let ref y: (&_, u8) = (&1, 2);
|
|
|
|
let ref z = 1 + 2;
|
|
|
|
let ref mut z = 1 + 2;
|
|
|
|
let (ref x, _) = (1,2); // okay, not top level
|
|
println!("The answer is {}.", x);
|
|
}
|