LL | | }
| |_^
-error[E0276]: impl has stricter requirements than trait
- --> $DIR/fn-header-semantic-fail.rs:29:9
+error[E0053]: method `ft1` has an incompatible type for trait
+ --> $DIR/fn-header-semantic-fail.rs:29:24
|
-LL | async fn ft1();
- | --------------- definition of `ft1` from trait
-...
LL | async fn ft1() {}
- | ^^^^^^^^^^^^^^ impl has extra requirement `(): Future`
+ | ^
+ | |
+ | checked the `Output` of this `async fn`, found opaque type
+ | expected `()`, found opaque type
+ |
+ = note: while checking the return type of the `async fn`
+note: type in trait
+ --> $DIR/fn-header-semantic-fail.rs:17:23
+ |
+LL | async fn ft1();
+ | ^
+ = note: expected fn pointer `fn()`
+ found fn pointer `fn() -> impl Future<Output = ()>`
-error[E0276]: impl has stricter requirements than trait
- --> $DIR/fn-header-semantic-fail.rs:34:9
+error[E0053]: method `ft5` has an incompatible type for trait
+ --> $DIR/fn-header-semantic-fail.rs:34:48
|
-LL | const async unsafe extern "C" fn ft5();
- | --------------------------------------- definition of `ft5` from trait
-...
LL | const async unsafe extern "C" fn ft5() {}
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `(): Future`
+ | ^
+ | |
+ | checked the `Output` of this `async fn`, found opaque type
+ | expected `()`, found opaque type
+ |
+ = note: while checking the return type of the `async fn`
+note: type in trait
+ --> $DIR/fn-header-semantic-fail.rs:21:47
+ |
+LL | const async unsafe extern "C" fn ft5();
+ | ^
+ = note: expected fn pointer `unsafe extern "C" fn()`
+ found fn pointer `unsafe extern "C" fn() -> impl Future<Output = ()>`
-error[E0391]: cycle detected when computing type of `main::<impl at $DIR/fn-header-semantic-fail.rs:28:5: 40:6>::ft5::{opaque#0}`
+error[E0391]: cycle detected when computing type of `main::<impl at $DIR/fn-header-semantic-fail.rs:28:5: 28:17>::ft5::{opaque#0}`
--> $DIR/fn-header-semantic-fail.rs:34:48
|
LL | const async unsafe extern "C" fn ft5() {}
| ^
|
-note: ...which requires borrow-checking `main::<impl at $DIR/fn-header-semantic-fail.rs:28:5: 40:6>::ft5`...
+note: ...which requires borrow-checking `main::<impl at $DIR/fn-header-semantic-fail.rs:28:5: 28:17>::ft5`...
--> $DIR/fn-header-semantic-fail.rs:34:9
|
LL | const async unsafe extern "C" fn ft5() {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-note: ...which requires processing `main::<impl at $DIR/fn-header-semantic-fail.rs:28:5: 40:6>::ft5`...
+note: ...which requires processing `main::<impl at $DIR/fn-header-semantic-fail.rs:28:5: 28:17>::ft5`...
--> $DIR/fn-header-semantic-fail.rs:34:9
|
LL | const async unsafe extern "C" fn ft5() {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-note: ...which requires const checking `main::<impl at $DIR/fn-header-semantic-fail.rs:28:5: 40:6>::ft5`...
+note: ...which requires const checking `main::<impl at $DIR/fn-header-semantic-fail.rs:28:5: 28:17>::ft5`...
--> $DIR/fn-header-semantic-fail.rs:34:9
|
LL | const async unsafe extern "C" fn ft5() {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= note: ...which requires computing whether `impl core::future::future::Future<Output = ()>` is freeze...
= note: ...which requires evaluating trait selection obligation `impl core::future::future::Future<Output = ()>: core::marker::Freeze`...
- = note: ...which again requires computing type of `main::<impl at $DIR/fn-header-semantic-fail.rs:28:5: 40:6>::ft5::{opaque#0}`, completing the cycle
+ = note: ...which again requires computing type of `main::<impl at $DIR/fn-header-semantic-fail.rs:28:5: 28:17>::ft5::{opaque#0}`, completing the cycle
note: cycle used when checking item types in top-level module
--> $DIR/fn-header-semantic-fail.rs:5:1
|
LL | | }
| |_^
-error[E0391]: cycle detected when computing type of `main::<impl at $DIR/fn-header-semantic-fail.rs:42:5: 50:6>::fi5::{opaque#0}`
+error[E0391]: cycle detected when computing type of `main::<impl at $DIR/fn-header-semantic-fail.rs:42:5: 42:11>::fi5::{opaque#0}`
--> $DIR/fn-header-semantic-fail.rs:47:48
|
LL | const async unsafe extern "C" fn fi5() {}
| ^
|
-note: ...which requires borrow-checking `main::<impl at $DIR/fn-header-semantic-fail.rs:42:5: 50:6>::fi5`...
+note: ...which requires borrow-checking `main::<impl at $DIR/fn-header-semantic-fail.rs:42:5: 42:11>::fi5`...
--> $DIR/fn-header-semantic-fail.rs:47:9
|
LL | const async unsafe extern "C" fn fi5() {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-note: ...which requires processing `main::<impl at $DIR/fn-header-semantic-fail.rs:42:5: 50:6>::fi5`...
+note: ...which requires processing `main::<impl at $DIR/fn-header-semantic-fail.rs:42:5: 42:11>::fi5`...
--> $DIR/fn-header-semantic-fail.rs:47:9
|
LL | const async unsafe extern "C" fn fi5() {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-note: ...which requires const checking `main::<impl at $DIR/fn-header-semantic-fail.rs:42:5: 50:6>::fi5`...
+note: ...which requires const checking `main::<impl at $DIR/fn-header-semantic-fail.rs:42:5: 42:11>::fi5`...
--> $DIR/fn-header-semantic-fail.rs:47:9
|
LL | const async unsafe extern "C" fn fi5() {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= note: ...which requires computing whether `impl core::future::future::Future<Output = ()>` is freeze...
= note: ...which requires evaluating trait selection obligation `impl core::future::future::Future<Output = ()>: core::marker::Freeze`...
- = note: ...which again requires computing type of `main::<impl at $DIR/fn-header-semantic-fail.rs:42:5: 50:6>::fi5::{opaque#0}`, completing the cycle
+ = note: ...which again requires computing type of `main::<impl at $DIR/fn-header-semantic-fail.rs:42:5: 42:11>::fi5::{opaque#0}`, completing the cycle
note: cycle used when checking item types in top-level module
--> $DIR/fn-header-semantic-fail.rs:5:1
|
error: aborting due to 23 previous errors
-Some errors have detailed explanations: E0276, E0379, E0391, E0706.
-For more information about an error, try `rustc --explain E0276`.
+Some errors have detailed explanations: E0053, E0379, E0391, E0706.
+For more information about an error, try `rustc --explain E0053`.
projects / rust.git / blobdiff