rust/tests/ui/clone_on_copy.stderr
Jason Newcomb d2657769a2
Improve clone_on_copy
Lint on `_.clone().method()` when method takes self by value
Set applicability correctly
Correct suggestion when the cloned value is a macro call. e.g. `m!(x).clone()`
Don't lint when not using the `Clone` trait
2021-03-29 16:10:37 -04:00

53 lines
1.7 KiB
Plaintext

error: using `clone` on type `i32` which implements the `Copy` trait
--> $DIR/clone_on_copy.rs:24:5
|
LL | 42.clone();
| ^^^^^^^^^^ help: try removing the `clone` call: `42`
|
= note: `-D clippy::clone-on-copy` implied by `-D warnings`
error: using `clone` on type `i32` which implements the `Copy` trait
--> $DIR/clone_on_copy.rs:28:5
|
LL | (&42).clone();
| ^^^^^^^^^^^^^ help: try dereferencing it: `*(&42)`
error: using `clone` on type `i32` which implements the `Copy` trait
--> $DIR/clone_on_copy.rs:31:5
|
LL | rc.borrow().clone();
| ^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*rc.borrow()`
error: using `clone` on type `u32` which implements the `Copy` trait
--> $DIR/clone_on_copy.rs:34:5
|
LL | x.clone().rotate_left(1);
| ^^^^^^^^^ help: try removing the `clone` call: `x`
error: using `clone` on type `i32` which implements the `Copy` trait
--> $DIR/clone_on_copy.rs:48:5
|
LL | m!(42).clone();
| ^^^^^^^^^^^^^^ help: try removing the `clone` call: `m!(42)`
error: using `clone` on type `[u32; 2]` which implements the `Copy` trait
--> $DIR/clone_on_copy.rs:58:5
|
LL | x.clone()[0];
| ^^^^^^^^^ help: try dereferencing it: `(*x)`
error: using `clone` on type `char` which implements the `Copy` trait
--> $DIR/clone_on_copy.rs:68:14
|
LL | is_ascii('z'.clone());
| ^^^^^^^^^^^ help: try removing the `clone` call: `'z'`
error: using `clone` on type `i32` which implements the `Copy` trait
--> $DIR/clone_on_copy.rs:72:14
|
LL | vec.push(42.clone());
| ^^^^^^^^^^ help: try removing the `clone` call: `42`
error: aborting due to 8 previous errors