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error[E0308]: mismatched types
--> $DIR/issue-74282.rs:8:15
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LL | type Closure = impl Fn() -> u64;
| ---------------- the expected opaque type
...
LL | Anonymous(|| {
| _______________^
LL | | 3
LL | | })
| |_____^ expected closure, found a different closure
|
= note: expected opaque type `Closure`
found closure `[closure@$DIR/issue-74282.rs:8:15: 10:6]`
= note: no two closures, even if identical, have the same type
= help: consider boxing your closure and/or using it as a trait object
error[E0308]: mismatched types
--> $DIR/issue-74282.rs:8:5
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LL | fn main() {
| - expected `()` because of default return type
LL | let y = || -> Closure { || 3 };
LL | / Anonymous(|| {
LL | | 3
LL | | })
| | ^- help: consider using a semicolon here: `;`
| |______|
| expected `()`, found struct `Anonymous`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0308`.
|
