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Commit | Line | Data |
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ea8adc8c | 1 | error: this argument is passed by value, but not consumed in the function body |
2c00a5a8 | 2 | --> $DIR/needless_pass_by_value.rs:14:23 |
abe05a73 | 3 | | |
2c00a5a8 | 4 | 14 | fn foo<T: Default>(v: Vec<T>, w: Vec<T>, mut x: Vec<T>, y: Vec<T>) -> Vec<T> { |
abe05a73 XL |
5 | | ^^^^^^ help: consider changing the type to: `&[T]` |
6 | | | |
7 | = note: `-D needless-pass-by-value` implied by `-D warnings` | |
ea8adc8c XL |
8 | |
9 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 10 | --> $DIR/needless_pass_by_value.rs:28:11 |
ea8adc8c | 11 | | |
2c00a5a8 | 12 | 28 | fn bar(x: String, y: Wrapper) { |
ea8adc8c XL |
13 | | ^^^^^^ help: consider changing the type to: `&str` |
14 | ||
15 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 16 | --> $DIR/needless_pass_by_value.rs:28:22 |
ea8adc8c | 17 | | |
2c00a5a8 | 18 | 28 | fn bar(x: String, y: Wrapper) { |
ea8adc8c XL |
19 | | ^^^^^^^ help: consider taking a reference instead: `&Wrapper` |
20 | ||
21 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 22 | --> $DIR/needless_pass_by_value.rs:34:71 |
ea8adc8c | 23 | | |
2c00a5a8 | 24 | 34 | fn test_borrow_trait<T: Borrow<str>, U: AsRef<str>, V>(t: T, u: U, v: V) { |
abe05a73 | 25 | | ^ help: consider taking a reference instead: `&V` |
ea8adc8c XL |
26 | |
27 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 28 | --> $DIR/needless_pass_by_value.rs:46:18 |
ea8adc8c | 29 | | |
2c00a5a8 | 30 | 46 | fn test_match(x: Option<Option<String>>, y: Option<Option<String>>) { |
ea8adc8c | 31 | | ^^^^^^^^^^^^^^^^^^^^^^ |
ea8adc8c XL |
32 | help: consider taking a reference instead |
33 | | | |
2c00a5a8 XL |
34 | 46 | fn test_match(x: &Option<Option<String>>, y: Option<Option<String>>) { |
35 | 47 | match *x { | |
ea8adc8c XL |
36 | | |
37 | ||
38 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 39 | --> $DIR/needless_pass_by_value.rs:59:24 |
ea8adc8c | 40 | | |
2c00a5a8 | 41 | 59 | fn test_destructure(x: Wrapper, y: Wrapper, z: Wrapper) { |
ea8adc8c XL |
42 | | ^^^^^^^ help: consider taking a reference instead: `&Wrapper` |
43 | ||
44 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 45 | --> $DIR/needless_pass_by_value.rs:59:36 |
ea8adc8c | 46 | | |
2c00a5a8 | 47 | 59 | fn test_destructure(x: Wrapper, y: Wrapper, z: Wrapper) { |
ea8adc8c | 48 | | ^^^^^^^ |
ea8adc8c XL |
49 | help: consider taking a reference instead |
50 | | | |
2c00a5a8 XL |
51 | 59 | fn test_destructure(x: Wrapper, y: &Wrapper, z: Wrapper) { |
52 | 60 | let Wrapper(s) = z; // moved | |
53 | 61 | let Wrapper(ref t) = *y; // not moved | |
54 | 62 | let Wrapper(_) = *y; // still not moved | |
abe05a73 XL |
55 | | |
56 | ||
57 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 58 | --> $DIR/needless_pass_by_value.rs:75:49 |
abe05a73 | 59 | | |
2c00a5a8 | 60 | 75 | fn test_blanket_ref<T: Foo, S: Serialize>(_foo: T, _serializable: S) {} |
abe05a73 XL |
61 | | ^ help: consider taking a reference instead: `&T` |
62 | ||
63 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 64 | --> $DIR/needless_pass_by_value.rs:77:18 |
abe05a73 | 65 | | |
2c00a5a8 | 66 | 77 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) { |
abe05a73 XL |
67 | | ^^^^^^ help: consider taking a reference instead: `&String` |
68 | ||
69 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 70 | --> $DIR/needless_pass_by_value.rs:77:29 |
abe05a73 | 71 | | |
2c00a5a8 | 72 | 77 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) { |
abe05a73 | 73 | | ^^^^^^ |
abe05a73 XL |
74 | help: consider changing the type to |
75 | | | |
2c00a5a8 | 76 | 77 | fn issue_2114(s: String, t: &str, u: Vec<i32>, v: Vec<i32>) { |
abe05a73 XL |
77 | | ^^^^ |
78 | help: change `t.clone()` to | |
79 | | | |
2c00a5a8 | 80 | 79 | let _ = t.to_string(); |
abe05a73 XL |
81 | | ^^^^^^^^^^^^^ |
82 | ||
83 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 84 | --> $DIR/needless_pass_by_value.rs:77:40 |
abe05a73 | 85 | | |
2c00a5a8 | 86 | 77 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) { |
abe05a73 XL |
87 | | ^^^^^^^^ help: consider taking a reference instead: `&Vec<i32>` |
88 | ||
89 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 90 | --> $DIR/needless_pass_by_value.rs:77:53 |
abe05a73 | 91 | | |
2c00a5a8 | 92 | 77 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) { |
abe05a73 | 93 | | ^^^^^^^^ |
abe05a73 XL |
94 | help: consider changing the type to |
95 | | | |
2c00a5a8 | 96 | 77 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: &[i32]) { |
abe05a73 XL |
97 | | ^^^^^^ |
98 | help: change `v.clone()` to | |
99 | | | |
2c00a5a8 | 100 | 81 | let _ = v.to_owned(); |
abe05a73 XL |
101 | | ^^^^^^^^^^^^ |
102 | ||
103 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 104 | --> $DIR/needless_pass_by_value.rs:89:12 |
abe05a73 | 105 | | |
2c00a5a8 | 106 | 89 | s: String, |
abe05a73 XL |
107 | | ^^^^^^ help: consider changing the type to: `&str` |
108 | ||
109 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 110 | --> $DIR/needless_pass_by_value.rs:90:12 |
ea8adc8c | 111 | | |
2c00a5a8 | 112 | 90 | t: String, |
abe05a73 XL |
113 | | ^^^^^^ help: consider taking a reference instead: `&String` |
114 | ||
115 | error: this argument is passed by value, but not consumed in the function body | |
2c00a5a8 | 116 | --> $DIR/needless_pass_by_value.rs:102:13 |
abe05a73 | 117 | | |
2c00a5a8 | 118 | 102 | _u: U, |
abe05a73 | 119 | | ^ help: consider taking a reference instead: `&U` |
ea8adc8c | 120 | |
abe05a73 | 121 | error: this argument is passed by value, but not consumed in the function body |
2c00a5a8 | 122 | --> $DIR/needless_pass_by_value.rs:103:13 |
abe05a73 | 123 | | |
2c00a5a8 | 124 | 103 | _s: Self, |
abe05a73 | 125 | | ^^^^ help: consider taking a reference instead: `&Self` |
ea8adc8c | 126 | |
2c00a5a8 XL |
127 | error: this argument is passed by value, but not consumed in the function body |
128 | --> $DIR/needless_pass_by_value.rs:125:24 | |
129 | | | |
130 | 125 | fn bar_copy(x: u32, y: CopyWrapper) { | |
131 | | ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper` | |
132 | | | |
133 | help: consider marking this type as Copy | |
134 | --> $DIR/needless_pass_by_value.rs:123:1 | |
135 | | | |
136 | 123 | struct CopyWrapper(u32); | |
137 | | ^^^^^^^^^^^^^^^^^^^^^^^^ | |
138 | ||
139 | error: this argument is passed by value, but not consumed in the function body | |
140 | --> $DIR/needless_pass_by_value.rs:131:29 | |
141 | | | |
142 | 131 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) { | |
143 | | ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper` | |
144 | | | |
145 | help: consider marking this type as Copy | |
146 | --> $DIR/needless_pass_by_value.rs:123:1 | |
147 | | | |
148 | 123 | struct CopyWrapper(u32); | |
149 | | ^^^^^^^^^^^^^^^^^^^^^^^^ | |
150 | ||
151 | error: this argument is passed by value, but not consumed in the function body | |
152 | --> $DIR/needless_pass_by_value.rs:131:45 | |
153 | | | |
154 | 131 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) { | |
155 | | ^^^^^^^^^^^ | |
156 | | | |
157 | help: consider marking this type as Copy | |
158 | --> $DIR/needless_pass_by_value.rs:123:1 | |
159 | | | |
160 | 123 | struct CopyWrapper(u32); | |
161 | | ^^^^^^^^^^^^^^^^^^^^^^^^ | |
162 | help: consider taking a reference instead | |
163 | | | |
164 | 131 | fn test_destructure_copy(x: CopyWrapper, y: &CopyWrapper, z: CopyWrapper) { | |
165 | 132 | let CopyWrapper(s) = z; // moved | |
166 | 133 | let CopyWrapper(ref t) = *y; // not moved | |
167 | 134 | let CopyWrapper(_) = *y; // still not moved | |
168 | | | |
169 | ||
170 | error: this argument is passed by value, but not consumed in the function body | |
171 | --> $DIR/needless_pass_by_value.rs:131:61 | |
172 | | | |
173 | 131 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) { | |
174 | | ^^^^^^^^^^^ | |
175 | | | |
176 | help: consider marking this type as Copy | |
177 | --> $DIR/needless_pass_by_value.rs:123:1 | |
178 | | | |
179 | 123 | struct CopyWrapper(u32); | |
180 | | ^^^^^^^^^^^^^^^^^^^^^^^^ | |
181 | help: consider taking a reference instead | |
182 | | | |
183 | 131 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: &CopyWrapper) { | |
184 | 132 | let CopyWrapper(s) = *z; // moved | |
185 | | | |
186 | ||
187 | error: aborting due to 20 previous errors | |
188 |