2022-05-04 12:13:06 -05:00
|
|
|
// run-rustfix
|
|
|
|
#![warn(clippy::identity_op)]
|
2022-10-02 14:13:22 -05:00
|
|
|
#![allow(unused)]
|
2022-05-04 12:13:06 -05:00
|
|
|
#![allow(
|
|
|
|
clippy::eq_op,
|
|
|
|
clippy::no_effect,
|
|
|
|
clippy::unnecessary_operation,
|
|
|
|
clippy::op_ref,
|
|
|
|
clippy::double_parens,
|
2022-10-02 14:13:22 -05:00
|
|
|
clippy::uninlined_format_args
|
2022-05-04 12:13:06 -05:00
|
|
|
)]
|
|
|
|
|
2022-04-03 22:40:58 -05:00
|
|
|
use std::fmt::Write as _;
|
|
|
|
|
2018-12-09 16:26:16 -06:00
|
|
|
const ONE: i64 = 1;
|
|
|
|
const NEG_ONE: i64 = -1;
|
|
|
|
const ZERO: i64 = 0;
|
|
|
|
|
2021-12-28 10:19:47 -06:00
|
|
|
struct A(String);
|
|
|
|
|
|
|
|
impl std::ops::Shl<i32> for A {
|
|
|
|
type Output = A;
|
|
|
|
fn shl(mut self, other: i32) -> Self {
|
2022-04-03 22:40:58 -05:00
|
|
|
let _ = write!(self.0, "{}", other);
|
2021-12-28 10:19:47 -06:00
|
|
|
self
|
|
|
|
}
|
|
|
|
}
|
2021-12-31 02:37:39 -06:00
|
|
|
|
|
|
|
struct Length(u8);
|
|
|
|
struct Meter;
|
|
|
|
|
|
|
|
impl core::ops::Mul<Meter> for u8 {
|
|
|
|
type Output = Length;
|
|
|
|
fn mul(self, _: Meter) -> Length {
|
|
|
|
Length(self)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-12-10 17:59:59 -06:00
|
|
|
#[rustfmt::skip]
|
2015-05-15 11:46:43 -05:00
|
|
|
fn main() {
|
2015-08-11 13:22:20 -05:00
|
|
|
let x = 0;
|
|
|
|
|
2017-02-08 07:58:07 -06:00
|
|
|
x + 0;
|
|
|
|
x + (1 - 1);
|
2015-08-17 04:46:45 -05:00
|
|
|
x + 1;
|
2017-02-08 07:58:07 -06:00
|
|
|
0 + x;
|
2015-08-17 04:46:45 -05:00
|
|
|
1 + x;
|
2018-12-09 16:26:16 -06:00
|
|
|
x - ZERO; //no error, as we skip lookups (for now)
|
2017-02-08 07:58:07 -06:00
|
|
|
x | (0);
|
2018-12-10 17:59:59 -06:00
|
|
|
((ZERO)) | x; //no error, as we skip lookups (for now)
|
2015-08-11 13:22:20 -05:00
|
|
|
|
2017-02-08 07:58:07 -06:00
|
|
|
x * 1;
|
|
|
|
1 * x;
|
2018-12-09 16:26:16 -06:00
|
|
|
x / ONE; //no error, as we skip lookups (for now)
|
2015-08-11 13:22:20 -05:00
|
|
|
|
2018-12-09 16:26:16 -06:00
|
|
|
x / 2; //no false positive
|
2015-08-17 04:46:45 -05:00
|
|
|
|
2018-12-09 16:26:16 -06:00
|
|
|
x & NEG_ONE; //no error, as we skip lookups (for now)
|
2017-02-08 07:58:07 -06:00
|
|
|
-1 & x;
|
2017-09-30 03:33:15 -05:00
|
|
|
|
2018-12-09 16:26:16 -06:00
|
|
|
let u: u8 = 0;
|
2017-09-30 03:33:15 -05:00
|
|
|
u & 255;
|
2020-05-15 14:17:37 -05:00
|
|
|
|
|
|
|
1 << 0; // no error, this case is allowed, see issue 3430
|
|
|
|
42 << 0;
|
|
|
|
1 >> 0;
|
|
|
|
42 >> 0;
|
2021-12-28 10:19:47 -06:00
|
|
|
&x >> 0;
|
2021-12-28 10:32:55 -06:00
|
|
|
x >> &0;
|
2021-12-28 10:19:47 -06:00
|
|
|
|
2022-08-05 18:59:50 -05:00
|
|
|
let mut a = A(String::new());
|
2021-12-28 10:19:47 -06:00
|
|
|
let b = a << 0; // no error: non-integer
|
2021-12-31 02:37:39 -06:00
|
|
|
|
|
|
|
1 * Meter; // no error: non-integer
|
2022-03-10 21:31:17 -06:00
|
|
|
|
|
|
|
2 % 3;
|
|
|
|
-2 % 3;
|
2022-03-27 08:48:15 -05:00
|
|
|
2 % -3 + x;
|
|
|
|
-2 % -3 + x;
|
2022-03-10 21:31:17 -06:00
|
|
|
x + 1 % 3;
|
|
|
|
(x + 1) % 3; // no error
|
|
|
|
4 % 3; // no error
|
2022-03-27 08:48:15 -05:00
|
|
|
4 % -3; // no error
|
2022-04-21 20:39:38 -05:00
|
|
|
|
|
|
|
// See #8724
|
|
|
|
let a = 0;
|
|
|
|
let b = true;
|
|
|
|
0 + if b { 1 } else { 2 };
|
2022-05-04 12:13:06 -05:00
|
|
|
0 + if b { 1 } else { 2 } + if b { 3 } else { 4 };
|
2022-04-21 20:39:38 -05:00
|
|
|
0 + match a { 0 => 10, _ => 20 };
|
2022-05-04 12:13:06 -05:00
|
|
|
0 + match a { 0 => 10, _ => 20 } + match a { 0 => 30, _ => 40 };
|
|
|
|
0 + if b { 1 } else { 2 } + match a { 0 => 30, _ => 40 };
|
|
|
|
0 + match a { 0 => 10, _ => 20 } + if b { 3 } else { 4 };
|
|
|
|
(if b { 1 } else { 2 }) + 0;
|
|
|
|
|
|
|
|
0 + { a } + 3;
|
|
|
|
0 + { a } * 2;
|
|
|
|
0 + loop { let mut c = 0; if c == 10 { break c; } c += 1; } + { a * 2 };
|
|
|
|
|
2022-04-21 20:39:38 -05:00
|
|
|
fn f(_: i32) {
|
|
|
|
todo!();
|
|
|
|
}
|
|
|
|
f(1 * a + { 8 * 5 });
|
2022-05-04 12:13:06 -05:00
|
|
|
f(0 + if b { 1 } else { 2 } + 3);
|
2022-04-21 20:39:38 -05:00
|
|
|
const _: i32 = { 2 * 4 } + 0 + 3;
|
2022-05-04 12:13:06 -05:00
|
|
|
const _: i32 = 0 + { 1 + 2 * 3 } + 3;
|
|
|
|
|
|
|
|
0 + a as usize;
|
|
|
|
let _ = 0 + a as usize;
|
|
|
|
0 + { a } as usize;
|
|
|
|
|
|
|
|
2 * (0 + { a });
|
|
|
|
1 * ({ a } + 4);
|
|
|
|
1 * 1;
|
2022-11-30 15:25:57 -06:00
|
|
|
|
|
|
|
// Issue #9904
|
|
|
|
let x = 0i32;
|
|
|
|
let _: i32 = &x + 0;
|
2022-05-04 12:13:06 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
pub fn decide(a: bool, b: bool) -> u32 {
|
|
|
|
0 + if a { 1 } else { 2 } + if b { 3 } else { 5 }
|
2015-05-15 11:46:43 -05:00
|
|
|
}
|