summaryrefslogtreecommitdiffstats
path: root/src/tools/clippy/tests/ui/ptr_arg.stderr
blob: d64b5f454a5aa985f2d966e153befb4cb9d07e8d (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
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
162
163
164
165
166
error: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:8:14
   |
LL | fn do_vec(x: &Vec<i64>) {
   |              ^^^^^^^^^ help: change this to: `&[i64]`
   |
   = note: `-D clippy::ptr-arg` implied by `-D warnings`

error: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:12:18
   |
LL | fn do_vec_mut(x: &mut Vec<i64>) {
   |                  ^^^^^^^^^^^^^ help: change this to: `&mut [i64]`

error: writing `&String` instead of `&str` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:16:14
   |
LL | fn do_str(x: &String) {
   |              ^^^^^^^ help: change this to: `&str`

error: writing `&mut String` instead of `&mut str` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:20:18
   |
LL | fn do_str_mut(x: &mut String) {
   |                  ^^^^^^^^^^^ help: change this to: `&mut str`

error: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:24:15
   |
LL | fn do_path(x: &PathBuf) {
   |               ^^^^^^^^ help: change this to: `&Path`

error: writing `&mut PathBuf` instead of `&mut Path` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:28:19
   |
LL | fn do_path_mut(x: &mut PathBuf) {
   |                   ^^^^^^^^^^^^ help: change this to: `&mut Path`

error: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:36:18
   |
LL |     fn do_vec(x: &Vec<i64>);
   |                  ^^^^^^^^^ help: change this to: `&[i64]`

error: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:49:14
   |
LL | fn cloned(x: &Vec<u8>) -> Vec<u8> {
   |              ^^^^^^^^
   |
help: change this to
   |
LL ~ fn cloned(x: &[u8]) -> Vec<u8> {
LL ~     let e = x.to_owned();
LL |     let f = e.clone(); // OK
LL |     let g = x;
LL ~     let h = g.to_owned();
LL |     let i = (e).clone();
LL ~     x.to_owned()
   |

error: writing `&String` instead of `&str` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:58:18
   |
LL | fn str_cloned(x: &String) -> String {
   |                  ^^^^^^^
   |
help: change this to
   |
LL ~ fn str_cloned(x: &str) -> String {
LL ~     let a = x.to_owned();
LL ~     let b = x.to_owned();
LL |     let c = b.clone();
LL |     let d = a.clone().clone().clone();
LL ~     x.to_owned()
   |

error: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:66:19
   |
LL | fn path_cloned(x: &PathBuf) -> PathBuf {
   |                   ^^^^^^^^
   |
help: change this to
   |
LL ~ fn path_cloned(x: &Path) -> PathBuf {
LL ~     let a = x.to_path_buf();
LL ~     let b = x.to_path_buf();
LL |     let c = b.clone();
LL |     let d = a.clone().clone().clone();
LL ~     x.to_path_buf()
   |

error: writing `&String` instead of `&str` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:74:44
   |
LL | fn false_positive_capacity(x: &Vec<u8>, y: &String) {
   |                                            ^^^^^^^
   |
help: change this to
   |
LL ~ fn false_positive_capacity(x: &Vec<u8>, y: &str) {
LL |     let a = x.capacity();
LL ~     let b = y.to_owned();
LL ~     let c = y;
   |

error: using a reference to `Cow` is not recommended
  --> $DIR/ptr_arg.rs:88:25
   |
LL | fn test_cow_with_ref(c: &Cow<[i32]>) {}
   |                         ^^^^^^^^^^^ help: change this to: `&[i32]`

error: writing `&String` instead of `&str` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:117:66
   |
LL |     fn some_allowed(#[allow(clippy::ptr_arg)] _v: &Vec<u32>, _s: &String) {}
   |                                                                  ^^^^^^^ help: change this to: `&str`

error: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:146:21
   |
LL |     fn foo_vec(vec: &Vec<u8>) {
   |                     ^^^^^^^^
   |
help: change this to
   |
LL ~     fn foo_vec(vec: &[u8]) {
LL ~         let _ = vec.to_owned().pop();
LL ~         let _ = vec.to_owned().clone();
   |

error: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:151:23
   |
LL |     fn foo_path(path: &PathBuf) {
   |                       ^^^^^^^^
   |
help: change this to
   |
LL ~     fn foo_path(path: &Path) {
LL ~         let _ = path.to_path_buf().pop();
LL ~         let _ = path.to_path_buf().clone();
   |

error: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:156:21
   |
LL |     fn foo_str(str: &PathBuf) {
   |                     ^^^^^^^^
   |
help: change this to
   |
LL ~     fn foo_str(str: &Path) {
LL ~         let _ = str.to_path_buf().pop();
LL ~         let _ = str.to_path_buf().clone();
   |

error: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
  --> $DIR/ptr_arg.rs:162:29
   |
LL | fn mut_vec_slice_methods(v: &mut Vec<u32>) {
   |                             ^^^^^^^^^^^^^ help: change this to: `&mut [u32]`

error: aborting due to 17 previous errors