188 lines
7.2 KiB
Text
188 lines
7.2 KiB
Text
error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:9:23
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9 | fn foo<T: Default>(v: Vec<T>, w: Vec<T>, mut x: Vec<T>, y: Vec<T>) -> Vec<T> {
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| ^^^^^^ help: consider changing the type to: `&[T]`
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= note: `-D needless-pass-by-value` implied by `-D warnings`
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:23:11
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23 | fn bar(x: String, y: Wrapper) {
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| ^^^^^^ help: consider changing the type to: `&str`
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:23:22
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23 | fn bar(x: String, y: 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
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--> $DIR/needless_pass_by_value.rs:29:71
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29 | fn test_borrow_trait<T: Borrow<str>, U: AsRef<str>, V>(t: T, u: U, v: V) {
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| ^ help: consider taking a reference instead: `&V`
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:41:18
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41 | fn test_match(x: Option<Option<String>>, y: Option<Option<String>>) {
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| ^^^^^^^^^^^^^^^^^^^^^^
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help: consider taking a reference instead
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41 | fn test_match(x: &Option<Option<String>>, y: Option<Option<String>>) {
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42 | match *x {
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:54:24
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54 | 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
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--> $DIR/needless_pass_by_value.rs:54:36
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54 | fn test_destructure(x: Wrapper, y: Wrapper, z: Wrapper) {
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| ^^^^^^^
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help: consider taking a reference instead
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54 | fn test_destructure(x: Wrapper, y: &Wrapper, z: Wrapper) {
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55 | let Wrapper(s) = z; // moved
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56 | let Wrapper(ref t) = *y; // not moved
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57 | let Wrapper(_) = *y; // still not moved
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:70:49
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70 | fn test_blanket_ref<T: Foo, S: Serialize>(_foo: T, _serializable: S) {}
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| ^ 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
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--> $DIR/needless_pass_by_value.rs:72:18
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72 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
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| ^^^^^^ help: consider taking a reference instead: `&String`
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:72:29
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72 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
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| ^^^^^^
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help: consider changing the type to
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72 | fn issue_2114(s: String, t: &str, u: Vec<i32>, v: Vec<i32>) {
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| ^^^^
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help: change `t.clone()` to
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74 | let _ = t.to_string();
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| ^^^^^^^^^^^^^
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:72:40
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72 | 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>`
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:72:53
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72 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
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| ^^^^^^^^
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help: consider changing the type to
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72 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: &[i32]) {
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| ^^^^^^
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help: change `v.clone()` to
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76 | let _ = v.to_owned();
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| ^^^^^^^^^^^^
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:84:12
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84 | s: String,
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| ^^^^^^ help: consider changing the type to: `&str`
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:85:12
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85 | t: String,
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| ^^^^^^ help: consider taking a reference instead: `&String`
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:97:13
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97 | _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
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--> $DIR/needless_pass_by_value.rs:98:13
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98 | _s: Self,
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| ^^^^ help: consider taking a reference instead: `&Self`
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:120:24
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120 | fn bar_copy(x: u32, y: CopyWrapper) {
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| ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper`
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help: consider marking this type as Copy
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--> $DIR/needless_pass_by_value.rs:118:1
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118 | struct CopyWrapper(u32);
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:126:29
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126 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
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| ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper`
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help: consider marking this type as Copy
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--> $DIR/needless_pass_by_value.rs:118:1
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118 | struct CopyWrapper(u32);
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:126:45
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126 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
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| ^^^^^^^^^^^
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help: consider marking this type as Copy
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--> $DIR/needless_pass_by_value.rs:118:1
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118 | struct CopyWrapper(u32);
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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help: consider taking a reference instead
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126 | fn test_destructure_copy(x: CopyWrapper, y: &CopyWrapper, z: CopyWrapper) {
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127 | let CopyWrapper(s) = z; // moved
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128 | let CopyWrapper(ref t) = *y; // not moved
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129 | let CopyWrapper(_) = *y; // still not moved
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:126:61
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126 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
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| ^^^^^^^^^^^
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help: consider marking this type as Copy
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--> $DIR/needless_pass_by_value.rs:118:1
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118 | struct CopyWrapper(u32);
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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help: consider taking a reference instead
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126 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: &CopyWrapper) {
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127 | let CopyWrapper(s) = *z; // moved
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error: aborting due to 20 previous errors
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