File: issue-99572-impl-trait-on-pointer.stderr

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (33 lines) | stat: -rw-r--r-- 1,533 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
  --> $DIR/issue-99572-impl-trait-on-pointer.rs:7:1
   |
LL | impl fmt::Display for *mut LocalType {
   | ^^^^^^^^^^^^^^^^^^^^^^--------------
   |                       |
   |                       `*mut LocalType` is not defined in the current crate because raw pointers are always foreign
   |
   = note: impl doesn't have any local type before any uncovered type parameters
   = note: for more information see https://doc.rust-lang.org/reference/items/implementations.html#orphan-rules
   = note: define and implement a trait or new type instead
help: consider introducing a new wrapper type
   |
LL + struct WrapperType(*mut LocalType);
LL + 
LL ~ impl fmt::Display for WrapperType {
   |

error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
  --> $DIR/issue-99572-impl-trait-on-pointer.rs:19:1
   |
LL | impl<T> marker::Copy for *mut T {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^------
   |                          |
   |                          `*mut T` is not defined in the current crate because raw pointers are always foreign
   |
   = note: impl doesn't have any local type before any uncovered type parameters
   = note: for more information see https://doc.rust-lang.org/reference/items/implementations.html#orphan-rules
   = note: define and implement a trait or new type instead

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0117`.