blob: bbe4260f6bc812f82662fb645f51193d9f1ad8a4 (
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
|
#![allow(non_local_definitions, clippy::manual_repeat_n)]
#![warn(clippy::manual_str_repeat)]
use std::borrow::Cow;
use std::iter::repeat;
fn main() {
let _: String = "test".repeat(10);
//~^ manual_str_repeat
let _: String = "x".repeat(10);
//~^ manual_str_repeat
let _: String = "'".repeat(10);
//~^ manual_str_repeat
let _: String = "\"".repeat(10);
//~^ manual_str_repeat
let x = "test";
let count = 10;
let _ = x.repeat(count + 2);
//~^ manual_str_repeat
macro_rules! m {
($e:expr) => {{ $e }};
}
// FIXME: macro args are fine
let _: String = repeat(m!("test")).take(m!(count)).collect();
let x = &x;
let _: String = (*x).repeat(count);
//~^ manual_str_repeat
macro_rules! repeat_m {
($e:expr) => {{ repeat($e) }};
}
// Don't lint, repeat is from a macro.
let _: String = repeat_m!("test").take(count).collect();
let x: Box<str> = Box::from("test");
let _: String = x.repeat(count);
//~^ manual_str_repeat
#[derive(Clone)]
struct S;
impl FromIterator<Box<S>> for String {
fn from_iter<T: IntoIterator<Item = Box<S>>>(_: T) -> Self {
Self::new()
}
}
// Don't lint, wrong box type
let _: String = repeat(Box::new(S)).take(count).collect();
let _: String = Cow::Borrowed("test").repeat(count);
//~^ manual_str_repeat
let x = "x".to_owned();
let _: String = x.repeat(count);
//~^ manual_str_repeat
let x = 'x';
// Don't lint, not char literal
let _: String = repeat(x).take(count).collect();
}
#[clippy::msrv = "1.15"]
fn _msrv_1_15() {
// `str::repeat` was stabilized in 1.16. Do not lint this
let _: String = std::iter::repeat("test").take(10).collect();
}
#[clippy::msrv = "1.16"]
fn _msrv_1_16() {
let _: String = "test".repeat(10);
//~^ manual_str_repeat
}
|
