66 lines
1.4 KiB
Rust
66 lines
1.4 KiB
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.
|
|
|
|
|
|
|
|
|
|
|
|
fn get_number() -> usize {
|
|
10
|
|
}
|
|
|
|
fn get_reference(n : &usize) -> &usize {
|
|
n
|
|
}
|
|
|
|
#[allow(clippy::many_single_char_names, clippy::double_parens)]
|
|
#[allow(unused_variables)]
|
|
#[warn(clippy::deref_addrof)]
|
|
fn main() {
|
|
let a = 10;
|
|
let aref = &a;
|
|
|
|
let b = *&a;
|
|
|
|
let b = *&get_number();
|
|
|
|
let b = *get_reference(&a);
|
|
|
|
let bytes : Vec<usize> = vec![1, 2, 3, 4];
|
|
let b = *&bytes[1..2][0];
|
|
|
|
//This produces a suggestion of 'let b = (a);' which
|
|
//will trigger the 'unused_parens' lint
|
|
let b = *&(a);
|
|
|
|
let b = *(&a);
|
|
|
|
let b = *((&a));
|
|
|
|
let b = *&&a;
|
|
|
|
let b = **&aref;
|
|
|
|
//This produces a suggestion of 'let b = *&a;' which
|
|
//will trigger the 'clippy::deref_addrof' lint again
|
|
let b = **&&a;
|
|
|
|
{
|
|
let mut x = 10;
|
|
let y = *&mut x;
|
|
}
|
|
|
|
{
|
|
//This produces a suggestion of 'let y = *&mut x' which
|
|
//will trigger the 'clippy::deref_addrof' lint again
|
|
let mut x = 10;
|
|
let y = **&mut &mut x;
|
|
}
|
|
}
|