error: this argument is passed by value, but not consumed in the function body
- --> $DIR/needless_pass_by_value.rs:9:23
- |
-9 | 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 needless-pass-by-value` implied by `-D warnings`
+ --> $DIR/needless_pass_by_value.rs:17:23
+ |
+LL | 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:23:11
+ --> $DIR/needless_pass_by_value.rs:31:11
|
-23 | fn bar(x: String, y: Wrapper) {
+LL | fn bar(x: String, y: Wrapper) {
| ^^^^^^ 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:23:22
+ --> $DIR/needless_pass_by_value.rs:31:22
|
-23 | fn bar(x: String, y: Wrapper) {
+LL | fn bar(x: String, y: Wrapper) {
| ^^^^^^^ 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:29:71
+ --> $DIR/needless_pass_by_value.rs:37:71
|
-29 | fn test_borrow_trait<T: Borrow<str>, U: AsRef<str>, V>(t: T, u: U, v: V) {
+LL | 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:41:18
- |
-41 | fn test_match(x: Option<Option<String>>, y: Option<Option<String>>) {
- | ^^^^^^^^^^^^^^^^^^^^^^
-help: consider taking a reference instead
- |
-41 | fn test_match(x: &Option<Option<String>>, y: Option<Option<String>>) {
-42 | match *x {
+ --> $DIR/needless_pass_by_value.rs:49:18
|
+LL | fn test_match(x: Option<Option<String>>, y: Option<Option<String>>) {
+ | ^^^^^^^^^^^^^^^^^^^^^^ help: consider taking a reference instead: `&Option<Option<String>>`
error: this argument is passed by value, but not consumed in the function body
- --> $DIR/needless_pass_by_value.rs:54:24
+ --> $DIR/needless_pass_by_value.rs:62:24
|
-54 | fn test_destructure(x: Wrapper, y: Wrapper, z: Wrapper) {
+LL | fn test_destructure(x: Wrapper, y: Wrapper, z: Wrapper) {
| ^^^^^^^ 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:54:36
- |
-54 | fn test_destructure(x: Wrapper, y: Wrapper, z: Wrapper) {
- | ^^^^^^^
-help: consider taking a reference instead
- |
-54 | fn test_destructure(x: Wrapper, y: &Wrapper, z: Wrapper) {
-55 | let Wrapper(s) = z; // moved
-56 | let Wrapper(ref t) = *y; // not moved
-57 | let Wrapper(_) = *y; // still not moved
+ --> $DIR/needless_pass_by_value.rs:62:36
|
+LL | fn test_destructure(x: Wrapper, y: Wrapper, z: Wrapper) {
+ | ^^^^^^^ 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:70:49
+ --> $DIR/needless_pass_by_value.rs:78:49
|
-70 | fn test_blanket_ref<T: Foo, S: Serialize>(_foo: T, _serializable: S) {}
+LL | fn test_blanket_ref<T: Foo, S: Serialize>(_foo: T, _serializable: S) {}
| ^ help: consider taking a reference instead: `&T`
error: this argument is passed by value, but not consumed in the function body
- --> $DIR/needless_pass_by_value.rs:72:18
+ --> $DIR/needless_pass_by_value.rs:80:18
|
-72 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
+LL | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
| ^^^^^^ 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:72:29
+ --> $DIR/needless_pass_by_value.rs:80:29
|
-72 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
+LL | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
| ^^^^^^
+ |
help: consider changing the type to
|
-72 | fn issue_2114(s: String, t: &str, u: Vec<i32>, v: Vec<i32>) {
- | ^^^^
+LL | fn issue_2114(s: String, t: &str, u: Vec<i32>, v: Vec<i32>) {
+ | ~~~~
help: change `t.clone()` to
|
-74 | let _ = t.to_string();
- | ^^^^^^^^^^^^^
+LL | let _ = t.to_string();
+ | ~~~~~~~~~~~~~
error: this argument is passed by value, but not consumed in the function body
- --> $DIR/needless_pass_by_value.rs:72:40
+ --> $DIR/needless_pass_by_value.rs:80:40
|
-72 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
+LL | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
| ^^^^^^^^ 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:72:53
+ --> $DIR/needless_pass_by_value.rs:80:53
|
-72 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
+LL | fn issue_2114(s: String, t: String, u: Vec<i32>, v: Vec<i32>) {
| ^^^^^^^^
+ |
help: consider changing the type to
|
-72 | fn issue_2114(s: String, t: String, u: Vec<i32>, v: &[i32]) {
- | ^^^^^^
+LL | fn issue_2114(s: String, t: String, u: Vec<i32>, v: &[i32]) {
+ | ~~~~~~
help: change `v.clone()` to
|
-76 | let _ = v.to_owned();
- | ^^^^^^^^^^^^
+LL | let _ = v.to_owned();
+ | ~~~~~~~~~~~~
error: this argument is passed by value, but not consumed in the function body
- --> $DIR/needless_pass_by_value.rs:84:12
+ --> $DIR/needless_pass_by_value.rs:93:12
|
-84 | s: String,
+LL | 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:85:12
+ --> $DIR/needless_pass_by_value.rs:94:12
|
-85 | t: String,
+LL | 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:97:13
- |
-97 | _u: U,
- | ^ help: consider taking a reference instead: `&U`
-
-error: this argument is passed by value, but not consumed in the function body
- --> $DIR/needless_pass_by_value.rs:98:13
- |
-98 | _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:120:24
- |
-120 | fn bar_copy(x: u32, y: CopyWrapper) {
- | ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper`
- |
-help: consider marking this type as Copy
- --> $DIR/needless_pass_by_value.rs:118:1
- |
-118 | struct CopyWrapper(u32);
- | ^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: this argument is passed by value, but not consumed in the function body
- --> $DIR/needless_pass_by_value.rs:126:29
- |
-126 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
- | ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper`
- |
-help: consider marking this type as Copy
- --> $DIR/needless_pass_by_value.rs:118:1
- |
-118 | struct CopyWrapper(u32);
- | ^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: this argument is passed by value, but not consumed in the function body
- --> $DIR/needless_pass_by_value.rs:126:45
- |
-126 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
- | ^^^^^^^^^^^
- |
-help: consider marking this type as Copy
- --> $DIR/needless_pass_by_value.rs:118:1
- |
-118 | struct CopyWrapper(u32);
- | ^^^^^^^^^^^^^^^^^^^^^^^^
-help: consider taking a reference instead
- |
-126 | fn test_destructure_copy(x: CopyWrapper, y: &CopyWrapper, z: CopyWrapper) {
-127 | let CopyWrapper(s) = z; // moved
-128 | let CopyWrapper(ref t) = *y; // not moved
-129 | let CopyWrapper(_) = *y; // still not moved
- |
-
-error: this argument is passed by value, but not consumed in the function body
- --> $DIR/needless_pass_by_value.rs:126:61
- |
-126 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
- | ^^^^^^^^^^^
- |
-help: consider marking this type as Copy
- --> $DIR/needless_pass_by_value.rs:118:1
- |
-118 | struct CopyWrapper(u32);
- | ^^^^^^^^^^^^^^^^^^^^^^^^
-help: consider taking a reference instead
- |
-126 | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: &CopyWrapper) {
-127 | let CopyWrapper(s) = *z; // moved
- |
-
-error: aborting due to 20 previous errors
+ --> $DIR/needless_pass_by_value.rs:103:23
+ |
+LL | fn baz(&self, _u: U, _s: Self) {}
+ | ^ help: consider taking a reference instead: `&U`
+
+error: this argument is passed by value, but not consumed in the function body
+ --> $DIR/needless_pass_by_value.rs:103:30
+ |
+LL | fn baz(&self, _u: U, _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:125:24
+ |
+LL | fn bar_copy(x: u32, y: CopyWrapper) {
+ | ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper`
+ |
+help: consider marking this type as `Copy`
+ --> $DIR/needless_pass_by_value.rs:123:1
+ |
+LL | struct CopyWrapper(u32);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: this argument is passed by value, but not consumed in the function body
+ --> $DIR/needless_pass_by_value.rs:131:29
+ |
+LL | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
+ | ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper`
+ |
+help: consider marking this type as `Copy`
+ --> $DIR/needless_pass_by_value.rs:123:1
+ |
+LL | struct CopyWrapper(u32);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: this argument is passed by value, but not consumed in the function body
+ --> $DIR/needless_pass_by_value.rs:131:45
+ |
+LL | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
+ | ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper`
+ |
+help: consider marking this type as `Copy`
+ --> $DIR/needless_pass_by_value.rs:123:1
+ |
+LL | struct CopyWrapper(u32);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: this argument is passed by value, but not consumed in the function body
+ --> $DIR/needless_pass_by_value.rs:131:61
+ |
+LL | fn test_destructure_copy(x: CopyWrapper, y: CopyWrapper, z: CopyWrapper) {
+ | ^^^^^^^^^^^ help: consider taking a reference instead: `&CopyWrapper`
+ |
+help: consider marking this type as `Copy`
+ --> $DIR/needless_pass_by_value.rs:123:1
+ |
+LL | struct CopyWrapper(u32);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: this argument is passed by value, but not consumed in the function body
+ --> $DIR/needless_pass_by_value.rs:143:40
+ |
+LL | fn some_fun<'b, S: Bar<'b, ()>>(_item: S) {}
+ | ^ help: consider taking a reference instead: `&S`
+
+error: this argument is passed by value, but not consumed in the function body
+ --> $DIR/needless_pass_by_value.rs:148:20
+ |
+LL | fn more_fun(_item: impl Club<'static, i32>) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^ help: consider taking a reference instead: `&impl Club<'static, i32>`
+
+error: aborting due to 22 previous errors
projects / rust.git / blobdiff