blob: f9628f2c2eca3da5a5b9e78c44427dd330017c56 (
plain)
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
34
35
|
error[E0225]: only auto traits can be used as additional traits in a trait object
--> $DIR/issue-32963.rs:8:31
|
LL | size_of_copy::<dyn Misc + Copy>();
| ---- ^^^^ additional non-auto trait
| |
| first non-auto trait
|
= help: consider creating a new trait with all of these as super-traits and using that trait here instead: `trait NewTrait: Misc + std::marker::Copy {}`
= note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits>
error[E0225]: only auto traits can be used as additional traits in a trait object
--> $DIR/issue-32963.rs:8:31
|
LL | size_of_copy::<dyn Misc + Copy>();
| ---- ^^^^ additional non-auto trait
| |
| first non-auto trait
|
= help: consider creating a new trait with all of these as super-traits and using that trait here instead: `trait NewTrait: Misc + std::marker::Copy {}`
= note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits>
error[E0277]: the trait bound `dyn Misc: std::marker::Copy` is not satisfied
--> $DIR/issue-32963.rs:8:5
|
LL | fn size_of_copy<T: Copy+?Sized>() -> usize { mem::size_of::<T>() }
| ---- required by this bound in `size_of_copy`
...
LL | size_of_copy::<dyn Misc + Copy>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `dyn Misc`
error: aborting due to 3 previous errors
Some errors have detailed explanations: E0225, E0277.
For more information about an error, try `rustc --explain E0225`.
|