blob: 7f837bbe50f0f28163c5c972aa6661ee2a9f36ec (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
error[E0782]: expected a type, found a trait
--> $DIR/ice-unsized-fn-params-2.rs:7:14
|
LL | fn guard(_s: Copy) -> bool {
| ^^^^
|
= note: `Copy` it is dyn-incompatible, so it can't be `dyn`
help: use a new generic type parameter, constrained by `Copy`
|
LL - fn guard(_s: Copy) -> bool {
LL + fn guard<T: Copy>(_s: T) -> bool {
|
help: you can also use an opaque type, but users won't be able to specify the type parameter when calling the `fn`, having to rely exclusively on type inference
|
LL | fn guard(_s: impl Copy) -> bool {
| ++++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0782`.
|
