blob: d5f98e71517ee296dcfe588708f850adb5fcdde2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
//@run-rustfix
//@aux-build:proc_macros.rs:proc-macro
#![warn(clippy::manual_rem_euclid)]
#![allow(clippy::let_with_type_underscore)]
extern crate proc_macros;
use proc_macros::{external, inline_macros};
#[inline_macros]
fn main() {
let value: i32 = 5;
let _: i32 = ((value % 4) + 4) % 4;
let _: i32 = (4 + (value % 4)) % 4;
let _: i32 = (value % 4 + 4) % 4;
let _: i32 = (4 + value % 4) % 4;
let _: i32 = 1 + (4 + value % 4) % 4;
let _: i32 = (3 + value % 4) % 4;
let _: i32 = (-4 + value % -4) % -4;
let _: i32 = ((5 % 4) + 4) % 4;
// Make sure the lint does not trigger if it would cause an error, like with an ambiguous
// integer type
let not_annotated = 24;
let _ = ((not_annotated % 4) + 4) % 4;
let inferred: _ = 24;
let _ = ((inferred % 4) + 4) % 4;
// For lint to apply the constant must always be on the RHS of the previous value for %
let _: i32 = 4 % ((value % 4) + 4);
let _: i32 = ((4 % value) + 4) % 4;
// Lint in internal macros
inline!(
let value: i32 = 5;
let _: i32 = ((value % 4) + 4) % 4;
);
// Do not lint in external macros
external!(
let value: i32 = 5;
let _: i32 = ((value % 4) + 4) % 4;
);
}
// Should lint for params too
pub fn rem_euclid_4(num: i32) -> i32 {
((num % 4) + 4) % 4
}
// Constant version came later, should still lint
pub const fn const_rem_euclid_4(num: i32) -> i32 {
((num % 4) + 4) % 4
}
#[clippy::msrv = "1.37"]
pub fn msrv_1_37() {
let x: i32 = 10;
let _: i32 = ((x % 4) + 4) % 4;
}
#[clippy::msrv = "1.38"]
pub fn msrv_1_38() {
let x: i32 = 10;
let _: i32 = ((x % 4) + 4) % 4;
}
// For const fns:
#[clippy::msrv = "1.51"]
pub const fn msrv_1_51() {
let x: i32 = 10;
let _: i32 = ((x % 4) + 4) % 4;
}
#[clippy::msrv = "1.52"]
pub const fn msrv_1_52() {
let x: i32 = 10;
let _: i32 = ((x % 4) + 4) % 4;
}
|
