mirror of https://github.com/rust-lang/rust
55 lines
1.7 KiB
Plaintext
55 lines
1.7 KiB
Plaintext
error[E0369]: cannot add `{integer}` to `*const u32`
|
|
--> $DIR/issue-112252-ptr-arithmetics-help.rs:6:20
|
|
|
|
|
LL | let _a = _ptr1 + 5;
|
|
| ----- ^ - {integer}
|
|
| |
|
|
| *const u32
|
|
|
|
|
help: consider using `wrapping_add` or `add` for pointer + {integer}
|
|
|
|
|
LL | let _a = _ptr1.wrapping_add(5);
|
|
| ~~~~~~~~~~~~~~ +
|
|
|
|
error[E0369]: cannot subtract `{integer}` from `*const u32`
|
|
--> $DIR/issue-112252-ptr-arithmetics-help.rs:7:20
|
|
|
|
|
LL | let _b = _ptr1 - 5;
|
|
| ----- ^ - {integer}
|
|
| |
|
|
| *const u32
|
|
|
|
|
help: consider using `wrapping_sub` or `sub` for pointer - {integer}
|
|
|
|
|
LL | let _b = _ptr1.wrapping_sub(5);
|
|
| ~~~~~~~~~~~~~~ +
|
|
|
|
error[E0369]: cannot subtract `*const u32` from `*const u32`
|
|
--> $DIR/issue-112252-ptr-arithmetics-help.rs:8:20
|
|
|
|
|
LL | let _c = _ptr2 - _ptr1;
|
|
| ----- ^ ----- *const u32
|
|
| |
|
|
| *const u32
|
|
|
|
|
help: consider using `offset_from` for pointer - pointer if the pointers point to the same allocation
|
|
|
|
|
LL | let _c = unsafe { _ptr2.offset_from(_ptr1) };
|
|
| ++++++++ ~~~~~~~~~~~~~ +++
|
|
|
|
error[E0608]: cannot index into a value of type `*const u32`
|
|
--> $DIR/issue-112252-ptr-arithmetics-help.rs:9:19
|
|
|
|
|
LL | let _d = _ptr1[5];
|
|
| ^^^
|
|
|
|
|
help: consider using `wrapping_add` or `add` for indexing into raw pointer
|
|
|
|
|
LL | let _d = _ptr1.wrapping_add(5);
|
|
| ~~~~~~~~~~~~~~ ~
|
|
|
|
error: aborting due to 4 previous errors
|
|
|
|
Some errors have detailed explanations: E0369, E0608.
|
|
For more information about an error, try `rustc --explain E0369`.
|