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error[E0106]: missing lifetime specifier
--> $DIR/opaque-and-lifetime-mismatch.rs:5:24
|
LL | fn bar() -> Wrapper<impl Sized>;
| ^ expected named lifetime parameter
|
= help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`, or if you will only have owned values
|
LL | fn bar() -> Wrapper<'static, impl Sized>;
| ++++++++
error[E0412]: cannot find type `T` in this scope
--> $DIR/opaque-and-lifetime-mismatch.rs:1:22
|
LL | struct Wrapper<'rom>(T);
| ^ not found in this scope
|
help: you might be missing a type parameter
|
LL | struct Wrapper<'rom, T>(T);
| +++
error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied
--> $DIR/opaque-and-lifetime-mismatch.rs:5:17
|
LL | fn bar() -> Wrapper<impl Sized>;
| ^^^^^^^ ---------- help: remove this generic argument
| |
| expected 0 generic arguments
|
note: struct defined here, with 0 generic parameters
--> $DIR/opaque-and-lifetime-mismatch.rs:1:8
|
LL | struct Wrapper<'rom>(T);
| ^^^^^^^
error[E0053]: method `bar` has an incompatible return type for trait
--> $DIR/opaque-and-lifetime-mismatch.rs:11:17
|
LL | fn bar() -> i32 {
| ^^^
| |
| expected `Wrapper<'static>`, found `i32`
| return type in trait
error[E0053]: method `bar` has an incompatible type for trait
--> $DIR/opaque-and-lifetime-mismatch.rs:11:17
|
LL | fn bar() -> i32 {
| ^^^
| |
| expected `Wrapper<'static>`, found `i32`
| help: change the output type to match the trait: `Wrapper<'static>`
|
note: type in trait
--> $DIR/opaque-and-lifetime-mismatch.rs:5:17
|
LL | fn bar() -> Wrapper<impl Sized>;
| ^^^^^^^^^^^^^^^^^^^
= note: expected signature `fn() -> Wrapper<'static>`
found signature `fn() -> i32`
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0053, E0106, E0107, E0412.
For more information about an error, try `rustc --explain E0053`.
|
