rust/tests/ui/needless_pass_by_value.stderr

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error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:11:23
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11 | fn foo<T: Default>(v: Vec<T>, w: Vec<T>, mut x: Vec<T>, y: Vec<T>) -> Vec<T> {
| ^^^^^^ help: consider changing the type to: `&[T]`
|
= note: `-D clippy::needless-pass-by-value` implied by `-D warnings`
error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:25:11
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25 | fn bar(x: String, y: Wrapper) {
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| ^^^^^^ help: consider changing the type to: `&str`
error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:25:22
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25 | fn bar(x: String, y: Wrapper) {
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| ^^^^^^^ help: consider taking a reference instead: `&Wrapper`
error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:31:71
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31 | fn test_borrow_trait<T: Borrow<str>, U: AsRef<str>, V>(t: T, u: U, v: V) {
| ^ help: consider taking a reference instead: `&V`
error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:43:18
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43 | fn test_match(x: Option<Option<String>>, y: Option<Option<String>>) {
| ^^^^^^^^^^^^^^^^^^^^^^
help: consider taking a reference instead
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43 | fn test_match(x: &Option<Option<String>>, y: Option<Option<String>>) {
44 | match *x {
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error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:56:24
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56 | fn test_destructure(x: Wrapper, y: Wrapper, z: Wrapper) {
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| ^^^^^^^ help: consider taking a reference instead: `&Wrapper`
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error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:56:36
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56 | fn test_destructure(x: Wrapper, y: Wrapper, z: Wrapper) {
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| ^^^^^^^
help: consider taking a reference instead
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56 | fn test_destructure(x: Wrapper, y: &Wrapper, z: Wrapper) {
57 | let Wrapper(s) = z; // moved
58 | let Wrapper(ref t) = *y; // not moved
59 | let Wrapper(_) = *y; // still not moved
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error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:72:49
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72 | fn test_blanket_ref<T: Foo, S: Serialize>(_foo: T, _serializable: S) {}
| ^ help: consider taking a reference instead: `&T`
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error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:74:18
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74 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
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| ^^^^^^ help: consider taking a reference instead: `&String`
error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:74:29
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74 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
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| ^^^^^^
help: consider changing the type to
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74 | fn issue_2114(s: String, t: &str, u: Vec<i32>, v: Vec<i32>) {
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| ^^^^
help: change `t.clone()` to
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76 | let _ = t.to_string();
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| ^^^^^^^^^^^^^
error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:74:40
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74 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
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| ^^^^^^^^ help: consider taking a reference instead: `&Vec<i32>`
error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:74:53
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74 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
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| ^^^^^^^^
help: consider changing the type to
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74 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: &[i32]) {
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| ^^^^^^
help: change `v.clone()` to
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78 | let _ = v.to_owned();
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| ^^^^^^^^^^^^
error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:86:12
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86 | s: String,
| ^^^^^^ help: consider changing the type to: `&str`
error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:87:12
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87 | t: String,
| ^^^^^^ help: consider taking a reference instead: `&String`
error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:99:13
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99 | _u: U,
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| ^ help: consider taking a reference instead: `&U`
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error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:100:13
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100 | _s: Self,
| ^^^^ help: consider taking a reference instead: `&Self`
error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:122:24
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122 | fn bar_copy(x: u32, y: CopyWrapper) {
| ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper`
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help: consider marking this type as Copy
--> $DIR/needless_pass_by_value.rs:120:1
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120 | struct CopyWrapper(u32);
| ^^^^^^^^^^^^^^^^^^^^^^^^
error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:128:29
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128 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
| ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper`
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help: consider marking this type as Copy
--> $DIR/needless_pass_by_value.rs:120:1
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120 | struct CopyWrapper(u32);
| ^^^^^^^^^^^^^^^^^^^^^^^^
error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:128:45
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128 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
| ^^^^^^^^^^^
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help: consider marking this type as Copy
--> $DIR/needless_pass_by_value.rs:120:1
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120 | struct CopyWrapper(u32);
| ^^^^^^^^^^^^^^^^^^^^^^^^
help: consider taking a reference instead
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128 | fn test_destructure_copy(x: CopyWrapper, y: &CopyWrapper, z: CopyWrapper) {
129 | let CopyWrapper(s) = z; // moved
130 | let CopyWrapper(ref t) = *y; // not moved
131 | let CopyWrapper(_) = *y; // still not moved
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error: this argument is passed by value, but not consumed in the function body
--> $DIR/needless_pass_by_value.rs:128:61
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128 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
| ^^^^^^^^^^^
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help: consider marking this type as Copy
--> $DIR/needless_pass_by_value.rs:120:1
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120 | struct CopyWrapper(u32);
| ^^^^^^^^^^^^^^^^^^^^^^^^
help: consider taking a reference instead
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128 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: &CopyWrapper) {
129 | let CopyWrapper(s) = *z; // moved
|
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error: aborting due to 20 previous errors
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