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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
warning: for loop over an `Option`. This is more readably written as an `if let` statement
--> $DIR/for_loop_over_fallibles.rs:5:14
|
LL | for _ in Some(1) {}
| ^^^^^^^
|
= note: `#[warn(for_loops_over_fallibles)]` on by default
help: to check pattern in a loop use `while let`
|
LL | while let Some(_) = Some(1) {}
| ~~~~~~~~~~~~~~~ ~~~
help: consider using `if let` to clear intent
|
LL | if let Some(_) = Some(1) {}
| ~~~~~~~~~~~~ ~~~
warning: for loop over a `Result`. This is more readably written as an `if let` statement
--> $DIR/for_loop_over_fallibles.rs:9:14
|
LL | for _ in Ok::<_, ()>(1) {}
| ^^^^^^^^^^^^^^
|
help: to check pattern in a loop use `while let`
|
LL | while let Ok(_) = Ok::<_, ()>(1) {}
| ~~~~~~~~~~~~~ ~~~
help: consider using `if let` to clear intent
|
LL | if let Ok(_) = Ok::<_, ()>(1) {}
| ~~~~~~~~~~ ~~~
warning: for loop over an `Option`. This is more readably written as an `if let` statement
--> $DIR/for_loop_over_fallibles.rs:15:14
|
LL | for _ in [0; 0].iter().next() {}
| ^^^^^^^^^^^^^^^^^^^^
|
help: to iterate over `[0; 0].iter()` remove the call to `next`
|
LL | for _ in [0; 0].iter().by_ref() {}
| ~~~~~~~~~
help: consider using `if let` to clear intent
|
LL | if let Some(_) = [0; 0].iter().next() {}
| ~~~~~~~~~~~~ ~~~
warning: for loop over a `Result`. This is more readably written as an `if let` statement
--> $DIR/for_loop_over_fallibles.rs:21:14
|
LL | for _ in Ok::<_, ()>([0; 0].iter()) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: to check pattern in a loop use `while let`
|
LL | while let Ok(_) = Ok::<_, ()>([0; 0].iter()) {}
| ~~~~~~~~~~~~~ ~~~
help: consider using `if let` to clear intent
|
LL | if let Ok(_) = Ok::<_, ()>([0; 0].iter()) {}
| ~~~~~~~~~~ ~~~
warning: for loop over a `Result`. This is more readably written as an `if let` statement
--> $DIR/for_loop_over_fallibles.rs:29:14
|
LL | for _ in Ok::<_, ()>([0; 0].iter()) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: to check pattern in a loop use `while let`
|
LL | while let Ok(_) = Ok::<_, ()>([0; 0].iter()) {}
| ~~~~~~~~~~~~~ ~~~
help: consider unwrapping the `Result` with `?` to iterate over its contents
|
LL | for _ in Ok::<_, ()>([0; 0].iter())? {}
| +
help: consider using `if let` to clear intent
|
LL | if let Ok(_) = Ok::<_, ()>([0; 0].iter()) {}
| ~~~~~~~~~~ ~~~
warning: for loop over a `Result`. This is more readably written as an `if let` statement
--> $DIR/for_loop_over_fallibles.rs:36:14
|
LL | for _ in Ok::<_, ()>([0; 0]) {}
| ^^^^^^^^^^^^^^^^^^^
|
help: to check pattern in a loop use `while let`
|
LL | while let Ok(_) = Ok::<_, ()>([0; 0]) {}
| ~~~~~~~~~~~~~ ~~~
help: consider unwrapping the `Result` with `?` to iterate over its contents
|
LL | for _ in Ok::<_, ()>([0; 0])? {}
| +
help: consider using `if let` to clear intent
|
LL | if let Ok(_) = Ok::<_, ()>([0; 0]) {}
| ~~~~~~~~~~ ~~~
warning: for loop over a `&Option`. This is more readably written as an `if let` statement
--> $DIR/for_loop_over_fallibles.rs:47:14
|
LL | for _ in &Some(1) {}
| ^^^^^^^^
|
help: to check pattern in a loop use `while let`
|
LL | while let Some(_) = &Some(1) {}
| ~~~~~~~~~~~~~~~ ~~~
help: consider using `if let` to clear intent
|
LL | if let Some(_) = &Some(1) {}
| ~~~~~~~~~~~~ ~~~
warning: for loop over a `&Result`. This is more readably written as an `if let` statement
--> $DIR/for_loop_over_fallibles.rs:51:14
|
LL | for _ in &Ok::<_, ()>(1) {}
| ^^^^^^^^^^^^^^^
|
help: to check pattern in a loop use `while let`
|
LL | while let Ok(_) = &Ok::<_, ()>(1) {}
| ~~~~~~~~~~~~~ ~~~
help: consider using `if let` to clear intent
|
LL | if let Ok(_) = &Ok::<_, ()>(1) {}
| ~~~~~~~~~~ ~~~
warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
--> $DIR/for_loop_over_fallibles.rs:57:14
|
LL | for _ in &mut Some(1) {}
| ^^^^^^^^^^^^
|
help: to check pattern in a loop use `while let`
|
LL | while let Some(_) = &mut Some(1) {}
| ~~~~~~~~~~~~~~~ ~~~
help: consider using `if let` to clear intent
|
LL | if let Some(_) = &mut Some(1) {}
| ~~~~~~~~~~~~ ~~~
warning: for loop over a `&mut Result`. This is more readably written as an `if let` statement
--> $DIR/for_loop_over_fallibles.rs:61:14
|
LL | for _ in &mut Ok::<_, ()>(1) {}
| ^^^^^^^^^^^^^^^^^^^
|
help: to check pattern in a loop use `while let`
|
LL | while let Ok(_) = &mut Ok::<_, ()>(1) {}
| ~~~~~~~~~~~~~ ~~~
help: consider using `if let` to clear intent
|
LL | if let Ok(_) = &mut Ok::<_, ()>(1) {}
| ~~~~~~~~~~ ~~~
warning: 10 warnings emitted
|
