impl Foo {
async fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
- //~^ ERROR missing lifetime specifier
- //~| ERROR cannot infer an appropriate lifetime
- // FIXME: should be E0623?
+ //~^ ERROR lifetime mismatch
async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
- //~^ ERROR missing lifetime specifier
- //~| ERROR cannot infer an appropriate lifetime
- //~| ERROR missing lifetime specifier
- //~| ERROR cannot infer an appropriate lifetime
- // FIXME: should be E0623?
+ //~^ ERROR lifetime mismatch
}
type Alias<T> = Pin<T>;
-error[E0106]: missing lifetime specifier
+error[E0623]: lifetime mismatch
--> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:10:45
|
LL | async fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
- | ^
- |
- = note: return-position elided lifetimes require exactly one input-position elided lifetime, found multiple.
-
-error[E0106]: missing lifetime specifier
- --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:15:60
- |
-LL | async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
- | ^
- |
- = note: return-position elided lifetimes require exactly one input-position elided lifetime, found multiple.
+ | ---- ^^^^
+ | | |
+ | | ...but data from `f` is returned here
+ | this parameter and the return type are declared with different lifetimes...
-error[E0106]: missing lifetime specifier
- --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:15:67
- |
-LL | async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
- | ^
- |
- = note: return-position elided lifetimes require exactly one input-position elided lifetime, found multiple.
-
-error: cannot infer an appropriate lifetime
- --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:10:33
- |
-LL | async fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
- | ^ ---- this return type evaluates to the `'static` lifetime...
- | |
- | ...but this borrow...
- |
-note: ...can't outlive the lifetime '_ as defined on the method body at 10:26
- --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:10:26
- |
-LL | async fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
- | ^
-help: you can add a constraint to the return type to make it last less than `'static` and match the lifetime '_ as defined on the method body at 10:26
- |
-LL | async fn a(self: Pin<&Foo>, f: &Foo) -> &Foo + '_ { f }
- | ^^^^^^^^^
-
-error: cannot infer an appropriate lifetime
- --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:15:16
- |
-LL | async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
- | ^^^^ ...but this borrow... ----------------- this return type evaluates to the `'static` lifetime...
- |
-note: ...can't outlive the lifetime '_ as defined on the method body at 15:26
- --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:15:26
- |
-LL | async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
- | ^
-help: you can add a constraint to the return type to make it last less than `'static` and match the lifetime '_ as defined on the method body at 15:26
- |
-LL | async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) + '_ { (self, f) }
- | ^^^^^^^^^^^^^^^^^^^^^^
-
-error: cannot infer an appropriate lifetime
- --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:15:34
- |
-LL | async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
- | ^ ----------------- this return type evaluates to the `'static` lifetime...
- | |
- | ...but this borrow...
- |
-note: ...can't outlive the lifetime '_ as defined on the method body at 15:26
- --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:15:26
+error[E0623]: lifetime mismatch
+ --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:13:55
|
LL | async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
- | ^
-help: you can add a constraint to the return type to make it last less than `'static` and match the lifetime '_ as defined on the method body at 15:26
- |
-LL | async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) + '_ { (self, f) }
- | ^^^^^^^^^^^^^^^^^^^^^^
+ | ----- ^^^^^^^^^^^^^^^^^
+ | | |
+ | | ...but data from `f` is returned here
+ | this parameter and the return type are declared with different lifetimes...
error[E0623]: lifetime mismatch
- --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:25:58
+ --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:19:58
|
LL | async fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg }
| ----- ^^^
| | ...but data from `arg` is returned here
| this parameter and the return type are declared with different lifetimes...
-error: aborting due to 7 previous errors
+error: aborting due to 3 previous errors
-For more information about this error, try `rustc --explain E0106`.
| this parameter and the return type are declared with different lifetimes...
error[E0623]: lifetime mismatch
- --> $DIR/ref-mut-self-async.rs:24:52
+ --> $DIR/ref-mut-self-async.rs:21:52
|
LL | async fn ref_Self(self: &mut Self, f: &u32) -> &u32 {
| --------- ^^^^
| this parameter and the return type are declared with different lifetimes...
error[E0623]: lifetime mismatch
- --> $DIR/ref-mut-self-async.rs:28:61
+ --> $DIR/ref-mut-self-async.rs:25:61
|
LL | async fn box_ref_Self(self: Box<&mut Self>, f: &u32) -> &u32 {
| --------- ^^^^
| this parameter and the return type are declared with different lifetimes...
error[E0623]: lifetime mismatch
- --> $DIR/ref-mut-self-async.rs:32:61
+ --> $DIR/ref-mut-self-async.rs:29:61
|
LL | async fn pin_ref_Self(self: Pin<&mut Self>, f: &u32) -> &u32 {
| --------- ^^^^
| this parameter and the return type are declared with different lifetimes...
error[E0623]: lifetime mismatch
- --> $DIR/ref-mut-self-async.rs:36:70
+ --> $DIR/ref-mut-self-async.rs:33:70
|
LL | async fn box_box_ref_Self(self: Box<Box<&mut Self>>, f: &u32) -> &u32 {
| --------- ^^^^
| this parameter and the return type are declared with different lifetimes...
error[E0623]: lifetime mismatch
- --> $DIR/ref-mut-self-async.rs:40:70
+ --> $DIR/ref-mut-self-async.rs:37:70
|
LL | async fn box_pin_ref_Self(self: Box<Pin<&mut Self>>, f: &u32) -> &u32 {
| --------- ^^^^
| this parameter and the return type are declared with different lifetimes...
error[E0623]: lifetime mismatch
- --> $DIR/ref-self-async.rs:33:48
+ --> $DIR/ref-self-async.rs:30:48
|
LL | async fn ref_Self(self: &Self, f: &u32) -> &u32 {
| ----- ^^^^
| this parameter and the return type are declared with different lifetimes...
error[E0623]: lifetime mismatch
- --> $DIR/ref-self-async.rs:37:57
+ --> $DIR/ref-self-async.rs:34:57
|
LL | async fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
| ----- ^^^^
| this parameter and the return type are declared with different lifetimes...
error[E0623]: lifetime mismatch
- --> $DIR/ref-self-async.rs:41:57
+ --> $DIR/ref-self-async.rs:38:57
|
LL | async fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
| ----- ^^^^
| this parameter and the return type are declared with different lifetimes...
error[E0623]: lifetime mismatch
- --> $DIR/ref-self-async.rs:45:66
+ --> $DIR/ref-self-async.rs:42:66
|
LL | async fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
| ----- ^^^^
| this parameter and the return type are declared with different lifetimes...
error[E0623]: lifetime mismatch
- --> $DIR/ref-self-async.rs:49:66
+ --> $DIR/ref-self-async.rs:46:66
|
LL | async fn box_pin_ref_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
| ----- ^^^^
| this parameter and the return type are declared with different lifetimes...
error[E0623]: lifetime mismatch
- --> $DIR/ref-self-async.rs:53:69
+ --> $DIR/ref-self-async.rs:50:69
|
LL | async fn wrap_ref_Self_Self(self: Wrap<&Self, Self>, f: &u8) -> &u8 {
| ----- ^^^
+++ /dev/null
-error[E0106]: missing lifetime specifier
- --> $DIR/self_lifetime-async.rs:9:44
- |
-LL | async fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 }
- | ^
- |
- = note: return-position elided lifetimes require exactly one input-position elided lifetime, found none.
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0106`.
-// FIXME: Investigate why `self_lifetime.rs` is check-pass but this isn't.
-
+// check-pass
// edition:2018
#![feature(async_await)]
struct Foo<'a>(&'a ());
impl<'a> Foo<'a> {
async fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 }
- //~^ ERROR missing lifetime specifier
- //~| ERROR cannot infer an appropriate lifetime
}
type Alias = Foo<'static>;
impl Alias {
async fn bar<'a>(self: &Alias, arg: &'a ()) -> &() { arg }
- //~^ ERROR lifetime mismatch
}
fn main() {}
+++ /dev/null
-error[E0106]: missing lifetime specifier
- --> $DIR/self_lifetime-async.rs:9:44
- |
-LL | async fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 }
- | ^
- |
- = note: return-position elided lifetimes require exactly one input-position elided lifetime, found none.
-
-error[E0495]: cannot infer an appropriate lifetime due to conflicting requirements
- --> $DIR/self_lifetime-async.rs:9:22
- |
-LL | async fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 }
- | ^^^^
- |
-note: first, the lifetime cannot outlive the lifetime 'a as defined on the impl at 8:6...
- --> $DIR/self_lifetime-async.rs:8:6
- |
-LL | impl<'a> Foo<'a> {
- | ^^
- = note: ...so that the expression is assignable:
- expected &Foo<'_>
- found &'b Foo<'a>
- = note: but, the lifetime must be valid for the static lifetime...
- = note: ...so that the types are compatible:
- expected &()
- found &'static ()
-
-error[E0623]: lifetime mismatch
- --> $DIR/self_lifetime-async.rs:16:52
- |
-LL | async fn bar<'a>(self: &Alias, arg: &'a ()) -> &() { arg }
- | ------ ^^^
- | | |
- | | ...but data from `arg` is returned here
- | this parameter and the return type are declared with different lifetimes...
-
-error: aborting due to 3 previous errors
-
-For more information about this error, try `rustc --explain E0106`.