mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-30 06:53:27 +00:00
7ed86bf822
* Track the argument when used to initialize simple `let` bindings * Check if the argument is passed to a function requiring the original type * Use `multipart_suggestion` rather than multiple suggestions * Check if the name given in the source code matches the name of the actual type
159 lines
4.8 KiB
Text
159 lines
4.8 KiB
Text
error: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:7:14
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LL | fn do_vec(x: &Vec<i64>) {
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| ^^^^^^^^^ help: change this to: `&[i64]`
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= note: `-D clippy::ptr-arg` implied by `-D warnings`
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error: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:11:18
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LL | fn do_vec_mut(x: &mut Vec<i64>) {
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| ^^^^^^^^^^^^^ help: change this to: `&mut [i64]`
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error: writing `&String` instead of `&str` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:15:14
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LL | fn do_str(x: &String) {
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| ^^^^^^^ help: change this to: `&str`
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error: writing `&mut String` instead of `&mut str` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:19:18
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LL | fn do_str_mut(x: &mut String) {
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| ^^^^^^^^^^^ help: change this to: `&mut str`
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error: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:23:15
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LL | fn do_path(x: &PathBuf) {
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| ^^^^^^^^ help: change this to: `&Path`
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error: writing `&mut PathBuf` instead of `&mut Path` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:27:19
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LL | fn do_path_mut(x: &mut PathBuf) {
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| ^^^^^^^^^^^^ help: change this to: `&mut Path`
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error: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:35:18
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LL | fn do_vec(x: &Vec<i64>);
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| ^^^^^^^^^ help: change this to: `&[i64]`
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error: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:48:14
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LL | fn cloned(x: &Vec<u8>) -> Vec<u8> {
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| ^^^^^^^^
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help: change this to
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LL ~ fn cloned(x: &[u8]) -> Vec<u8> {
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LL ~ let e = x.to_owned();
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LL | let f = e.clone(); // OK
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LL | let g = x;
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LL ~ let h = g.to_owned();
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LL | let i = (e).clone();
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...
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error: writing `&String` instead of `&str` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:57:18
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LL | fn str_cloned(x: &String) -> String {
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| ^^^^^^^
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help: change this to
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LL ~ fn str_cloned(x: &str) -> String {
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LL ~ let a = x.to_owned();
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LL ~ let b = x.to_owned();
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LL | let c = b.clone();
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LL | let d = a.clone().clone().clone();
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LL ~ x.to_owned()
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error: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:65:19
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LL | fn path_cloned(x: &PathBuf) -> PathBuf {
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| ^^^^^^^^
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help: change this to
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LL ~ fn path_cloned(x: &Path) -> PathBuf {
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LL ~ let a = x.to_path_buf();
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LL ~ let b = x.to_path_buf();
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LL | let c = b.clone();
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LL | let d = a.clone().clone().clone();
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LL ~ x.to_path_buf()
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error: writing `&String` instead of `&str` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:73:44
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LL | fn false_positive_capacity(x: &Vec<u8>, y: &String) {
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| ^^^^^^^
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help: change this to
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LL ~ fn false_positive_capacity(x: &Vec<u8>, y: &str) {
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LL | let a = x.capacity();
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LL ~ let b = y.to_owned();
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LL ~ let c = y;
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error: using a reference to `Cow` is not recommended
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--> $DIR/ptr_arg.rs:87:25
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LL | fn test_cow_with_ref(c: &Cow<[i32]>) {}
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| ^^^^^^^^^^^ help: change this to: `&[i32]`
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error: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:140:21
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LL | fn foo_vec(vec: &Vec<u8>) {
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| ^^^^^^^^
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help: change this to
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LL ~ fn foo_vec(vec: &[u8]) {
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LL ~ let _ = vec.to_owned().pop();
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LL ~ let _ = vec.to_owned().clone();
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error: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:145:23
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LL | fn foo_path(path: &PathBuf) {
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| ^^^^^^^^
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help: change this to
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LL ~ fn foo_path(path: &Path) {
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LL ~ let _ = path.to_path_buf().pop();
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LL ~ let _ = path.to_path_buf().clone();
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error: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:150:21
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LL | fn foo_str(str: &PathBuf) {
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| ^^^^^^^^
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help: change this to
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LL ~ fn foo_str(str: &Path) {
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LL ~ let _ = str.to_path_buf().pop();
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LL ~ let _ = str.to_path_buf().clone();
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error: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
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--> $DIR/ptr_arg.rs:156:29
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LL | fn mut_vec_slice_methods(v: &mut Vec<u32>) {
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| ^^^^^^^^^^^^^ help: change this to: `&mut [u32]`
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error: aborting due to 16 previous errors
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