mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-09-21 07:01:54 +00:00
750a2d57bd
Fixes #9351. Note that this commit reworks that fix for #9317. The change is to check that the type implements `AsRef<str>` before regarding `to_string` as an equivalent of `to_owned`. This was suggested by Jarcho in the #9317 issue comments. The benefit of this is that it moves some complexity out of `check_other_call_arg` and simplifies the module as a whole.
519 lines
18 KiB
Text
519 lines
18 KiB
Text
error: redundant clone
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--> $DIR/unnecessary_to_owned.rs:151:64
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LL | require_c_str(&CString::from_vec_with_nul(vec![0]).unwrap().to_owned());
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| ^^^^^^^^^^^ help: remove this
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= note: `-D clippy::redundant-clone` implied by `-D warnings`
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note: this value is dropped without further use
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--> $DIR/unnecessary_to_owned.rs:151:20
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LL | require_c_str(&CString::from_vec_with_nul(vec![0]).unwrap().to_owned());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: redundant clone
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--> $DIR/unnecessary_to_owned.rs:152:40
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LL | require_os_str(&OsString::from("x").to_os_string());
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| ^^^^^^^^^^^^^^^ help: remove this
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note: this value is dropped without further use
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--> $DIR/unnecessary_to_owned.rs:152:21
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LL | require_os_str(&OsString::from("x").to_os_string());
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| ^^^^^^^^^^^^^^^^^^^
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error: redundant clone
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--> $DIR/unnecessary_to_owned.rs:153:48
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LL | require_path(&std::path::PathBuf::from("x").to_path_buf());
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| ^^^^^^^^^^^^^^ help: remove this
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note: this value is dropped without further use
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--> $DIR/unnecessary_to_owned.rs:153:19
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LL | require_path(&std::path::PathBuf::from("x").to_path_buf());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: redundant clone
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--> $DIR/unnecessary_to_owned.rs:154:35
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LL | require_str(&String::from("x").to_string());
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| ^^^^^^^^^^^^ help: remove this
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note: this value is dropped without further use
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--> $DIR/unnecessary_to_owned.rs:154:18
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LL | require_str(&String::from("x").to_string());
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| ^^^^^^^^^^^^^^^^^
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error: redundant clone
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--> $DIR/unnecessary_to_owned.rs:155:39
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LL | require_slice(&[String::from("x")].to_owned());
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| ^^^^^^^^^^^ help: remove this
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note: this value is dropped without further use
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--> $DIR/unnecessary_to_owned.rs:155:20
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LL | require_slice(&[String::from("x")].to_owned());
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| ^^^^^^^^^^^^^^^^^^^
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error: unnecessary use of `into_owned`
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--> $DIR/unnecessary_to_owned.rs:60:36
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LL | require_c_str(&Cow::from(c_str).into_owned());
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| ^^^^^^^^^^^^^ help: remove this
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= note: `-D clippy::unnecessary-to-owned` implied by `-D warnings`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:61:19
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LL | require_c_str(&c_str.to_owned());
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| ^^^^^^^^^^^^^^^^^ help: use: `c_str`
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error: unnecessary use of `to_os_string`
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--> $DIR/unnecessary_to_owned.rs:63:20
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LL | require_os_str(&os_str.to_os_string());
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| ^^^^^^^^^^^^^^^^^^^^^^ help: use: `os_str`
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error: unnecessary use of `into_owned`
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--> $DIR/unnecessary_to_owned.rs:64:38
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LL | require_os_str(&Cow::from(os_str).into_owned());
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| ^^^^^^^^^^^^^ help: remove this
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:65:20
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LL | require_os_str(&os_str.to_owned());
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| ^^^^^^^^^^^^^^^^^^ help: use: `os_str`
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error: unnecessary use of `to_path_buf`
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--> $DIR/unnecessary_to_owned.rs:67:18
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LL | require_path(&path.to_path_buf());
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| ^^^^^^^^^^^^^^^^^^^ help: use: `path`
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error: unnecessary use of `into_owned`
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--> $DIR/unnecessary_to_owned.rs:68:34
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LL | require_path(&Cow::from(path).into_owned());
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| ^^^^^^^^^^^^^ help: remove this
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:69:18
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LL | require_path(&path.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `path`
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error: unnecessary use of `to_string`
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--> $DIR/unnecessary_to_owned.rs:71:17
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LL | require_str(&s.to_string());
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| ^^^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `into_owned`
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--> $DIR/unnecessary_to_owned.rs:72:30
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LL | require_str(&Cow::from(s).into_owned());
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| ^^^^^^^^^^^^^ help: remove this
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:73:17
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LL | require_str(&s.to_owned());
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| ^^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `to_string`
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--> $DIR/unnecessary_to_owned.rs:74:17
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LL | require_str(&x_ref.to_string());
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| ^^^^^^^^^^^^^^^^^^ help: use: `x_ref.as_ref()`
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error: unnecessary use of `to_vec`
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--> $DIR/unnecessary_to_owned.rs:76:19
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LL | require_slice(&slice.to_vec());
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| ^^^^^^^^^^^^^^^ help: use: `slice`
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error: unnecessary use of `into_owned`
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--> $DIR/unnecessary_to_owned.rs:77:36
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LL | require_slice(&Cow::from(slice).into_owned());
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| ^^^^^^^^^^^^^ help: remove this
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:78:19
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LL | require_slice(&array.to_owned());
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| ^^^^^^^^^^^^^^^^^ help: use: `array.as_ref()`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:79:19
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LL | require_slice(&array_ref.to_owned());
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| ^^^^^^^^^^^^^^^^^^^^^ help: use: `array_ref.as_ref()`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:80:19
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LL | require_slice(&slice.to_owned());
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| ^^^^^^^^^^^^^^^^^ help: use: `slice`
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error: unnecessary use of `into_owned`
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--> $DIR/unnecessary_to_owned.rs:83:42
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LL | require_x(&Cow::<X>::Owned(x.clone()).into_owned());
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| ^^^^^^^^^^^^^ help: remove this
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:86:25
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LL | require_deref_c_str(c_str.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `c_str`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:87:26
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LL | require_deref_os_str(os_str.to_owned());
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| ^^^^^^^^^^^^^^^^^ help: use: `os_str`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:88:24
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LL | require_deref_path(path.to_owned());
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| ^^^^^^^^^^^^^^^ help: use: `path`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:89:23
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LL | require_deref_str(s.to_owned());
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| ^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:90:25
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LL | require_deref_slice(slice.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `slice`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:92:30
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LL | require_impl_deref_c_str(c_str.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `c_str`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:93:31
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LL | require_impl_deref_os_str(os_str.to_owned());
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| ^^^^^^^^^^^^^^^^^ help: use: `os_str`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:94:29
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LL | require_impl_deref_path(path.to_owned());
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| ^^^^^^^^^^^^^^^ help: use: `path`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:95:28
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LL | require_impl_deref_str(s.to_owned());
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| ^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:96:30
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LL | require_impl_deref_slice(slice.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `slice`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:98:29
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LL | require_deref_str_slice(s.to_owned(), slice.to_owned());
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| ^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:98:43
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LL | require_deref_str_slice(s.to_owned(), slice.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `slice`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:99:29
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LL | require_deref_slice_str(slice.to_owned(), s.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `slice`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:99:47
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LL | require_deref_slice_str(slice.to_owned(), s.to_owned());
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| ^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:101:26
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LL | require_as_ref_c_str(c_str.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `c_str`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:102:27
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LL | require_as_ref_os_str(os_str.to_owned());
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| ^^^^^^^^^^^^^^^^^ help: use: `os_str`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:103:25
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LL | require_as_ref_path(path.to_owned());
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| ^^^^^^^^^^^^^^^ help: use: `path`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:104:24
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LL | require_as_ref_str(s.to_owned());
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| ^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:105:24
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LL | require_as_ref_str(x.to_owned());
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| ^^^^^^^^^^^^ help: use: `&x`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:106:26
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LL | require_as_ref_slice(array.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `array`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:107:26
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LL | require_as_ref_slice(array_ref.to_owned());
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| ^^^^^^^^^^^^^^^^^^^^ help: use: `array_ref`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:108:26
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LL | require_as_ref_slice(slice.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `slice`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:110:31
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LL | require_impl_as_ref_c_str(c_str.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `c_str`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:111:32
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LL | require_impl_as_ref_os_str(os_str.to_owned());
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| ^^^^^^^^^^^^^^^^^ help: use: `os_str`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:112:30
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LL | require_impl_as_ref_path(path.to_owned());
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| ^^^^^^^^^^^^^^^ help: use: `path`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:113:29
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LL | require_impl_as_ref_str(s.to_owned());
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| ^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:114:29
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LL | require_impl_as_ref_str(x.to_owned());
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| ^^^^^^^^^^^^ help: use: `&x`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:115:31
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LL | require_impl_as_ref_slice(array.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `array`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:116:31
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LL | require_impl_as_ref_slice(array_ref.to_owned());
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| ^^^^^^^^^^^^^^^^^^^^ help: use: `array_ref`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:117:31
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LL | require_impl_as_ref_slice(slice.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `slice`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:119:30
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LL | require_as_ref_str_slice(s.to_owned(), array.to_owned());
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| ^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:119:44
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LL | require_as_ref_str_slice(s.to_owned(), array.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `array`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:120:30
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LL | require_as_ref_str_slice(s.to_owned(), array_ref.to_owned());
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| ^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:120:44
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LL | require_as_ref_str_slice(s.to_owned(), array_ref.to_owned());
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| ^^^^^^^^^^^^^^^^^^^^ help: use: `array_ref`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:121:30
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LL | require_as_ref_str_slice(s.to_owned(), slice.to_owned());
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| ^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:121:44
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LL | require_as_ref_str_slice(s.to_owned(), slice.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `slice`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:122:30
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LL | require_as_ref_slice_str(array.to_owned(), s.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `array`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:122:48
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LL | require_as_ref_slice_str(array.to_owned(), s.to_owned());
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| ^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:123:30
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LL | require_as_ref_slice_str(array_ref.to_owned(), s.to_owned());
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| ^^^^^^^^^^^^^^^^^^^^ help: use: `array_ref`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:123:52
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LL | require_as_ref_slice_str(array_ref.to_owned(), s.to_owned());
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| ^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:124:30
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LL | require_as_ref_slice_str(slice.to_owned(), s.to_owned());
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| ^^^^^^^^^^^^^^^^ help: use: `slice`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:124:48
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LL | require_as_ref_slice_str(slice.to_owned(), s.to_owned());
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| ^^^^^^^^^^^^ help: use: `s`
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error: unnecessary use of `to_string`
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--> $DIR/unnecessary_to_owned.rs:126:20
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LL | let _ = x.join(&x_ref.to_string());
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| ^^^^^^^^^^^^^^^^^^ help: use: `x_ref`
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error: unnecessary use of `to_vec`
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--> $DIR/unnecessary_to_owned.rs:128:13
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LL | let _ = slice.to_vec().into_iter();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `slice.iter().copied()`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:129:13
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LL | let _ = slice.to_owned().into_iter();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `slice.iter().copied()`
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error: unnecessary use of `to_vec`
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--> $DIR/unnecessary_to_owned.rs:130:13
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LL | let _ = [std::path::PathBuf::new()][..].to_vec().into_iter();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `[std::path::PathBuf::new()][..].iter().cloned()`
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error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:131:13
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LL | let _ = [std::path::PathBuf::new()][..].to_owned().into_iter();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `[std::path::PathBuf::new()][..].iter().cloned()`
|
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|
|
error: unnecessary use of `to_vec`
|
|
--> $DIR/unnecessary_to_owned.rs:133:13
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|
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|
LL | let _ = IntoIterator::into_iter(slice.to_vec());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `slice.iter().copied()`
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|
|
error: unnecessary use of `to_owned`
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--> $DIR/unnecessary_to_owned.rs:134:13
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|
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|
LL | let _ = IntoIterator::into_iter(slice.to_owned());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `slice.iter().copied()`
|
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|
|
error: unnecessary use of `to_vec`
|
|
--> $DIR/unnecessary_to_owned.rs:135:13
|
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|
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|
LL | let _ = IntoIterator::into_iter([std::path::PathBuf::new()][..].to_vec());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `[std::path::PathBuf::new()][..].iter().cloned()`
|
|
|
|
error: unnecessary use of `to_owned`
|
|
--> $DIR/unnecessary_to_owned.rs:136:13
|
|
|
|
|
LL | let _ = IntoIterator::into_iter([std::path::PathBuf::new()][..].to_owned());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `[std::path::PathBuf::new()][..].iter().cloned()`
|
|
|
|
error: unnecessary use of `to_vec`
|
|
--> $DIR/unnecessary_to_owned.rs:198:14
|
|
|
|
|
LL | for t in file_types.to_vec() {
|
|
| ^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
help: use
|
|
|
|
|
LL | for t in file_types {
|
|
| ~~~~~~~~~~
|
|
help: remove this `&`
|
|
|
|
|
LL - let path = match get_file_path(&t) {
|
|
LL + let path = match get_file_path(t) {
|
|
|
|
|
|
|
error: unnecessary use of `to_vec`
|
|
--> $DIR/unnecessary_to_owned.rs:221:14
|
|
|
|
|
LL | let _ = &["x"][..].to_vec().into_iter();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `["x"][..].iter().cloned()`
|
|
|
|
error: unnecessary use of `to_vec`
|
|
--> $DIR/unnecessary_to_owned.rs:226:14
|
|
|
|
|
LL | let _ = &["x"][..].to_vec().into_iter();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `["x"][..].iter().copied()`
|
|
|
|
error: unnecessary use of `to_string`
|
|
--> $DIR/unnecessary_to_owned.rs:273:24
|
|
|
|
|
LL | Box::new(build(y.to_string()))
|
|
| ^^^^^^^^^^^^^ help: use: `y`
|
|
|
|
error: unnecessary use of `to_string`
|
|
--> $DIR/unnecessary_to_owned.rs:381:12
|
|
|
|
|
LL | id("abc".to_string())
|
|
| ^^^^^^^^^^^^^^^^^ help: use: `"abc"`
|
|
|
|
error: aborting due to 79 previous errors
|
|
|