rust-clippy/tests/ui/ptr_arg.stderr
2021-09-24 22:14:20 +08:00

175 lines
4.8 KiB
Text

error: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices
--> $DIR/ptr_arg.rs:12:14
|
LL | fn do_vec(x: &Vec<i64>) {
| ^^^^^^^^^ help: change this to: `&[i64]`
|
= note: `-D clippy::ptr-arg` implied by `-D warnings`
error: writing `&String` instead of `&str` involves a new object where a slice will do
--> $DIR/ptr_arg.rs:21:14
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LL | fn do_str(x: &String) {
| ^^^^^^^ help: change this to: `&str`
error: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
--> $DIR/ptr_arg.rs:30:15
|
LL | fn do_path(x: &PathBuf) {
| ^^^^^^^^ help: change this to: `&Path`
error: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices
--> $DIR/ptr_arg.rs:43:18
|
LL | fn do_vec(x: &Vec<i64>);
| ^^^^^^^^^ help: change this to: `&[i64]`
error: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices
--> $DIR/ptr_arg.rs:56:14
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LL | fn cloned(x: &Vec<u8>) -> Vec<u8> {
| ^^^^^^^^
|
help: change this to
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LL | fn cloned(x: &[u8]) -> Vec<u8> {
| ~~~~~
help: change `x.clone()` to
|
LL | let e = x.to_owned();
| ~~~~~~~~~~~~
help: change `x.clone()` to
|
LL | x.to_owned()
|
error: writing `&String` instead of `&str` involves a new object where a slice will do
--> $DIR/ptr_arg.rs:65:18
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LL | fn str_cloned(x: &String) -> String {
| ^^^^^^^
|
help: change this to
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LL | fn str_cloned(x: &str) -> String {
| ~~~~
help: change `x.clone()` to
|
LL | let a = x.to_string();
| ~~~~~~~~~~~~~
help: change `x.clone()` to
|
LL | let b = x.to_string();
| ~~~~~~~~~~~~~
help: change `x.clone()` to
|
LL | x.to_string()
|
error: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
--> $DIR/ptr_arg.rs:73:19
|
LL | fn path_cloned(x: &PathBuf) -> PathBuf {
| ^^^^^^^^
|
help: change this to
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LL | fn path_cloned(x: &Path) -> PathBuf {
| ~~~~~
help: change `x.clone()` to
|
LL | let a = x.to_path_buf();
| ~~~~~~~~~~~~~~~
help: change `x.clone()` to
|
LL | let b = x.to_path_buf();
| ~~~~~~~~~~~~~~~
help: change `x.clone()` to
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LL | x.to_path_buf()
|
error: writing `&String` instead of `&str` involves a new object where a slice will do
--> $DIR/ptr_arg.rs:81:44
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LL | fn false_positive_capacity(x: &Vec<u8>, y: &String) {
| ^^^^^^^
|
help: change this to
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LL | fn false_positive_capacity(x: &Vec<u8>, y: &str) {
| ~~~~
help: change `y.clone()` to
|
LL | let b = y.to_string();
| ~~~~~~~~~~~~~
help: change `y.as_str()` to
|
LL | let c = y;
| ~
error: using a reference to `Cow` is not recommended
--> $DIR/ptr_arg.rs:95:25
|
LL | fn test_cow_with_ref(c: &Cow<[i32]>) {}
| ^^^^^^^^^^^ help: change this to: `&[i32]`
error: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices
--> $DIR/ptr_arg.rs:148:21
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LL | fn foo_vec(vec: &Vec<u8>) {
| ^^^^^^^^
|
help: change this to
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LL | fn foo_vec(vec: &[u8]) {
| ~~~~~
help: change `vec.clone()` to
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LL | let _ = vec.to_owned().pop();
| ~~~~~~~~~~~~~~
help: change `vec.clone()` to
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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:153:23
|
LL | fn foo_path(path: &PathBuf) {
| ^^^^^^^^
|
help: change this to
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LL | fn foo_path(path: &Path) {
| ~~~~~
help: change `path.clone()` to
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LL | let _ = path.to_path_buf().pop();
| ~~~~~~~~~~~~~~~~~~
help: change `path.clone()` to
|
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:158:21
|
LL | fn foo_str(str: &PathBuf) {
| ^^^^^^^^
|
help: change this to
|
LL | fn foo_str(str: &Path) {
| ~~~~~
help: change `str.clone()` to
|
LL | let _ = str.to_path_buf().pop();
| ~~~~~~~~~~~~~~~~~
help: change `str.clone()` to
|
LL | let _ = str.to_path_buf().clone();
| ~~~~~~~~~~~~~~~~~
error: aborting due to 12 previous errors