blob: 2c21fc5965d567e2cba9b84858ce7b71cd784e66 (
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
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
109
110
111
112
113
114
115
116
117
118
119
|
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:9:29
|
LL | let len = sample.iter().collect::<Vec<_>>().len();
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `count()`
|
= note: `-D clippy::needless-collect` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::needless_collect)]`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:10:22
|
LL | if sample.iter().collect::<Vec<_>>().is_empty() {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:13:28
|
LL | sample.iter().cloned().collect::<Vec<_>>().contains(&1);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `any(|x| x == 1)`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:18:35
|
LL | sample.iter().map(|x| (x, x)).collect::<HashMap<_, _>>().is_empty();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:19:35
|
LL | sample.iter().map(|x| (x, x)).collect::<BTreeMap<_, _>>().is_empty();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:26:19
|
LL | sample.iter().collect::<LinkedList<_>>().len();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `count()`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:27:19
|
LL | sample.iter().collect::<LinkedList<_>>().is_empty();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:28:28
|
LL | sample.iter().cloned().collect::<LinkedList<_>>().contains(&1);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `any(|x| x == 1)`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:29:19
|
LL | sample.iter().collect::<LinkedList<_>>().contains(&&1);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `any(|x| x == &1)`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:32:19
|
LL | sample.iter().collect::<BinaryHeap<_>>().len();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `count()`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:33:19
|
LL | sample.iter().collect::<BinaryHeap<_>>().is_empty();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:38:27
|
LL | let _ = sample.iter().collect::<HashSet<_>>().is_empty();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:39:27
|
LL | let _ = sample.iter().collect::<HashSet<_>>().contains(&&0);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `any(|x| x == &0)`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:61:27
|
LL | let _ = sample.iter().collect::<VecWrapper<_>>().is_empty();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `next().is_none()`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:62:27
|
LL | let _ = sample.iter().collect::<VecWrapper<_>>().contains(&&0);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `any(|x| x == &0)`
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:66:40
|
LL | Vec::<u8>::new().extend((0..10).collect::<Vec<_>>());
| ^^^^^^^^^^^^^^^^^^^^ help: remove this call
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:67:20
|
LL | foo((0..10).collect::<Vec<_>>());
| ^^^^^^^^^^^^^^^^^^^^ help: remove this call
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:68:49
|
LL | bar((0..10).collect::<Vec<_>>(), (0..10).collect::<Vec<_>>());
| ^^^^^^^^^^^^^^^^^^^^ help: remove this call
error: avoid using `collect()` when not needed
--> $DIR/needless_collect.rs:69:37
|
LL | baz((0..10), (), ('a'..='z').collect::<Vec<_>>())
| ^^^^^^^^^^^^^^^^^^^^ help: remove this call
error: aborting due to 19 previous errors
|
