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
120
121
122
123
124
125
|
error: swapping temporary values has no effect
--> tests/ui/swap_with_temporary_unfixable.rs:20:5
|
LL | swap(&mut func(), &mut func());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: this expression returns a temporary value
--> tests/ui/swap_with_temporary_unfixable.rs:20:15
|
LL | swap(&mut func(), &mut func());
| ^^^^^^
note: this expression returns a temporary value
--> tests/ui/swap_with_temporary_unfixable.rs:20:28
|
LL | swap(&mut func(), &mut func());
| ^^^^^^
= note: `-D clippy::swap-with-temporary` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::swap_with_temporary)]`
error: swapping temporary values has no effect
--> tests/ui/swap_with_temporary_unfixable.rs:23:17
|
LL | if matches!(swap(&mut func(), &mut func()), ()) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: this expression returns a temporary value
--> tests/ui/swap_with_temporary_unfixable.rs:23:27
|
LL | if matches!(swap(&mut func(), &mut func()), ()) {
| ^^^^^^
note: this expression returns a temporary value
--> tests/ui/swap_with_temporary_unfixable.rs:23:40
|
LL | if matches!(swap(&mut func(), &mut func()), ()) {
| ^^^^^^
error: swapping with a temporary value is inefficient
--> tests/ui/swap_with_temporary_unfixable.rs:28:17
|
LL | if matches!(swap(z, &mut func()), ()) {
| ^^^^^^^^^^^^^^^^^^^^
|
note: this expression returns a temporary value
--> tests/ui/swap_with_temporary_unfixable.rs:28:30
|
LL | if matches!(swap(z, &mut func()), ()) {
| ^^^^^^
error: swapping with a temporary value is inefficient
--> tests/ui/swap_with_temporary_unfixable.rs:45:5
|
LL | swap(mac!(refmut func()), z);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: this is a mutable reference to a temporary value
--> tests/ui/swap_with_temporary_unfixable.rs:45:10
|
LL | swap(mac!(refmut func()), z);
| ^^^^^^^^^^^^^^^^^^^
error: swapping temporary values has no effect
--> tests/ui/swap_with_temporary_unfixable.rs:47:5
|
LL | swap(&mut mac!(funcall func), &mut mac!(funcall func));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: this expression returns a temporary value
--> tests/ui/swap_with_temporary_unfixable.rs:47:15
|
LL | swap(&mut mac!(funcall func), &mut mac!(funcall func));
| ^^^^^^^^^^^^^^^^^^
note: this expression returns a temporary value
--> tests/ui/swap_with_temporary_unfixable.rs:47:40
|
LL | swap(&mut mac!(funcall func), &mut mac!(funcall func));
| ^^^^^^^^^^^^^^^^^^
error: swapping temporary values has no effect
--> tests/ui/swap_with_temporary_unfixable.rs:49:5
|
LL | swap(mac!(refmut), mac!(refmut));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: this is a mutable reference to a temporary value
--> tests/ui/swap_with_temporary_unfixable.rs:49:10
|
LL | swap(mac!(refmut), mac!(refmut));
| ^^^^^^^^^^^^
note: this is a mutable reference to a temporary value
--> tests/ui/swap_with_temporary_unfixable.rs:49:24
|
LL | swap(mac!(refmut), mac!(refmut));
| ^^^^^^^^^^^^
error: swapping with a temporary value is inefficient
--> tests/ui/swap_with_temporary_unfixable.rs:51:5
|
LL | swap(mac!(refmut y), mac!(refmut));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: this is a mutable reference to a temporary value
--> tests/ui/swap_with_temporary_unfixable.rs:51:26
|
LL | swap(mac!(refmut y), mac!(refmut));
| ^^^^^^^^^^^^
error: swapping temporary values has no effect
--> tests/ui/swap_with_temporary_unfixable.rs:57:5
|
LL | std::mem::swap(&mut v1.last_mut().unwrap(), &mut v2.last_mut().unwrap());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: this expression returns a temporary value
--> tests/ui/swap_with_temporary_unfixable.rs:57:25
|
LL | std::mem::swap(&mut v1.last_mut().unwrap(), &mut v2.last_mut().unwrap());
| ^^^^^^^^^^^^^^^^^^^^^^
note: this expression returns a temporary value
--> tests/ui/swap_with_temporary_unfixable.rs:57:54
|
LL | std::mem::swap(&mut v1.last_mut().unwrap(), &mut v2.last_mut().unwrap());
| ^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 8 previous errors
|
