rust/tests/ui/ptr_as_ptr.stderr
rail 4b478a5731 Add a new lint ptr_as_ptr,
which checks for `as` casts between raw pointers
without changing its mutability
and suggest replacing it with `pointer::cast`.
2021-01-05 10:19:03 +13:00

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error: `as` casting between raw pointers without changing its mutability
--> $DIR/ptr_as_ptr.rs:9:13
|
LL | let _ = ptr as *const i32;
| ^^^^^^^^^^^^^^^^^ help: try `pointer::cast`, a safer alternative: `ptr.cast::<i32>()`
|
= note: `-D clippy::ptr-as-ptr` implied by `-D warnings`
error: `as` casting between raw pointers without changing its mutability
--> $DIR/ptr_as_ptr.rs:10:13
|
LL | let _ = mut_ptr as *mut i32;
| ^^^^^^^^^^^^^^^^^^^ help: try `pointer::cast`, a safer alternative: `mut_ptr.cast::<i32>()`
error: `as` casting between raw pointers without changing its mutability
--> $DIR/ptr_as_ptr.rs:15:17
|
LL | let _ = *ptr_ptr as *const i32;
| ^^^^^^^^^^^^^^^^^^^^^^ help: try `pointer::cast`, a safer alternative: `(*ptr_ptr).cast::<i32>()`
error: `as` casting between raw pointers without changing its mutability
--> $DIR/ptr_as_ptr.rs:28:25
|
LL | let _: *const i32 = ptr as *const _;
| ^^^^^^^^^^^^^^^ help: try `pointer::cast`, a safer alternative: `ptr.cast()`
error: `as` casting between raw pointers without changing its mutability
--> $DIR/ptr_as_ptr.rs:29:23
|
LL | let _: *mut i32 = mut_ptr as _;
| ^^^^^^^^^^^^ help: try `pointer::cast`, a safer alternative: `mut_ptr.cast()`
error: aborting due to 5 previous errors