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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
//@aux-build:proc_macros.rs
#![allow(clippy::no_effect, clippy::useless_vec, unused)]
#![warn(clippy::tuple_array_conversions)]
#[macro_use]
extern crate proc_macros;
fn main() {
let x = [1, 2];
let x = (x[0], x[1]);
let x = [x.0, x.1];
let x = &[1, 2];
let x = (x[0], x[1]);
let t1: &[(u32, u32)] = &[(1, 2), (3, 4)];
let v1: Vec<[u32; 2]> = t1.iter().map(|&(a, b)| [a, b]).collect();
t1.iter().for_each(|&(a, b)| _ = [a, b]);
let t2: Vec<(u32, u32)> = v1.iter().map(|&[a, b]| (a, b)).collect();
t1.iter().for_each(|&(a, b)| _ = [a, b]);
// Do not lint
let v2: Vec<[u32; 2]> = t1.iter().map(|&t| t.into()).collect();
let t3: Vec<(u32, u32)> = v2.iter().map(|&v| v.into()).collect();
let x = [1; 13];
let x = (
x[0], x[1], x[2], x[3], x[4], x[5], x[6], x[7], x[8], x[9], x[10], x[11], x[12],
);
let x = [x.0, x.1, x.2, x.3, x.4, x.5, x.6, x.7, x.8, x.9, x.10, x.11, x.12];
let x = (1, 2);
let x = (x.0, x.1);
let x = [1, 2];
let x = [x[0], x[1]];
let x = vec![1, 2];
let x = (x[0], x[1]);
let x = [1; 3];
let x = (x[0],);
let x = (1, 2, 3);
let x = [x.0];
let x = (1, 2);
let y = (1, 2);
[x.0, y.0];
[x.0, y.1];
let x = [x.0, x.0];
let x = (x[0], x[0]);
external! {
let t1: &[(u32, u32)] = &[(1, 2), (3, 4)];
let v1: Vec<[u32; 2]> = t1.iter().map(|&(a, b)| [a, b]).collect();
let t2: Vec<(u32, u32)> = v1.iter().map(|&[a, b]| (a, b)).collect();
}
with_span! {
span
let t1: &[(u32, u32)] = &[(1, 2), (3, 4)];
let v1: Vec<[u32; 2]> = t1.iter().map(|&(a, b)| [a, b]).collect();
let t2: Vec<(u32, u32)> = v1.iter().map(|&[a, b]| (a, b)).collect();
}
// FP #11082; needs discussion
let (a, b) = (1.0f64, 2.0f64);
let _: &[f64] = &[a, b];
// FP #11085; impossible to fix
let [src, dest]: [_; 2] = [1, 2];
(src, dest);
// FP #11100
fn issue_11100_array_to_tuple(this: [&mut i32; 2]) -> (&i32, &mut i32) {
let [input, output] = this;
(input, output)
}
fn issue_11100_tuple_to_array<'a>(this: (&'a mut i32, &'a mut i32)) -> [&'a i32; 2] {
let (input, output) = this;
[input, output]
}
// FP #11124
// tuple=>array
let (a, b) = (1, 2);
[a, b];
let x = a;
// array=>tuple
let [a, b] = [1, 2];
(a, b);
let x = a;
// FP #11144
let (a, (b, c)) = (1, (2, 3));
[a, c];
let [[a, b], [c, d]] = [[1, 2], [3, 4]];
(a, c);
// Array length is not usize (#11144)
fn generic_array_length<const N: usize>() {
let src = [0; N];
let dest: (u8,) = (src[0],);
}
}
#[clippy::msrv = "1.70.0"]
fn msrv_too_low() {
let x = [1, 2];
let x = (x[0], x[1]);
let x = [x.0, x.1];
let x = &[1, 2];
let x = (x[0], x[1]);
}
#[clippy::msrv = "1.71.0"]
fn msrv_juust_right() {
let x = [1, 2];
let x = (x[0], x[1]);
let x = [x.0, x.1];
let x = &[1, 2];
let x = (x[0], x[1]);
}
|
