rust/tests/ui/coherence/coherence-negative-impls-copy-bad.stderr
2023-01-11 09:32:08 +00:00

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error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-negative-impls-copy-bad.rs:4:1
|
LL | impl !Copy for str {}
| ^^^^^^^^^^^^^^^---
| | |
| | `str` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-negative-impls-copy-bad.rs:7:1
|
LL | impl !Copy for fn() {}
| ^^^^^^^^^^^^^^^----
| | |
| | `fn()` is not defined in the current crate
| impl doesn't use only types from inside the current crate
|
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence-negative-impls-copy-bad.rs:10:1
|
LL | impl !Copy for () {}
| ^^^^^^^^^^^^^^^--
| | |
| | this is not defined in the current crate because tuples are always foreign
| impl doesn't use only types from inside the current crate
|
= note: define and implement a trait or new type instead
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0117`.