rust/tests/ui/ptr_arg.stderr

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error: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
--> $DIR/ptr_arg.rs:7:14
|
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:16:14
|
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:25:15
|
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:38:18
|
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:51:14
|
LL | fn cloned(x: &Vec<u8>) -> Vec<u8> {
| ^^^^^^^^
|
help: change this to
|
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:60:18
|
LL | fn str_cloned(x: &String) -> String {
| ^^^^^^^
|
help: change this to
|
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:68:19
|
LL | fn path_cloned(x: &PathBuf) -> PathBuf {
| ^^^^^^^^
|
help: change this to
|
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
|
LL | x.to_path_buf()
|
error: writing `&String` instead of `&str` involves a new object where a slice will do.
--> $DIR/ptr_arg.rs:76:44
|
LL | fn false_positive_capacity(x: &Vec<u8>, y: &String) {
| ^^^^^^^
|
help: change this to
|
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:90:25
|
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:143:21
|
LL | fn foo_vec(vec: &Vec<u8>) {
| ^^^^^^^^
|
help: change this to
|
LL | fn foo_vec(vec: &[u8]) {
| ^^^^^
help: change `vec.clone()` to
|
LL | let _ = vec.to_owned().pop();
| ^^^^^^^^^^^^^^
help: change `vec.clone()` to
|
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:148:23
|
LL | fn foo_path(path: &PathBuf) {
| ^^^^^^^^
|
help: change this to
|
LL | fn foo_path(path: &Path) {
| ^^^^^
help: change `path.clone()` to
|
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:153:21
|
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