rust/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr

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error[E0261]: use of undeclared lifetime name `'a`
--> $DIR/missing-lifetimes-in-signature.rs:37:11
|
LL | fn baz<G: 'a, T>(g: G, dest: &mut T) -> impl FnOnce() + '_
| - ^^ undeclared lifetime
| |
| help: consider introducing lifetime `'a` here: `'a,`
error[E0700]: hidden type for `impl FnOnce()` captures lifetime that does not appear in bounds
--> $DIR/missing-lifetimes-in-signature.rs:19:5
|
LL | fn foo<G, T>(g: G, dest: &mut T) -> impl FnOnce()
| ------ hidden type `[closure@$DIR/missing-lifetimes-in-signature.rs:19:5: 19:12]` captures the anonymous lifetime defined here
...
LL | / move || {
LL | |
LL | | *dest = g.get();
LL | | }
| |_____^
|
help: to declare that `impl FnOnce()` captures `'_`, you can add an explicit `'_` lifetime bound
|
LL | fn foo<G, T>(g: G, dest: &mut T) -> impl FnOnce() + '_
| ++++
error[E0311]: the parameter type `G` may not live long enough
--> $DIR/missing-lifetimes-in-signature.rs:30:5
|
LL | / move || {
LL | |
LL | | *dest = g.get();
LL | | }
| |_____^
|
note: the parameter type `G` must be valid for the anonymous lifetime defined here...
--> $DIR/missing-lifetimes-in-signature.rs:26:26
|
LL | fn bar<G, T>(g: G, dest: &mut T) -> impl FnOnce() + '_
| ^^^^^^
note: ...so that the type `G` will meet its required lifetime bounds
--> $DIR/missing-lifetimes-in-signature.rs:30:5
|
LL | / move || {
LL | |
LL | | *dest = g.get();
LL | | }
| |_____^
help: consider adding an explicit lifetime bound...
|
LL ~ fn bar<'a, G, T>(g: G, dest: &'a mut T) -> impl FnOnce() + '_
LL | where
LL ~ G: Get<T> + 'a,
|
error[E0311]: the parameter type `G` may not live long enough
--> $DIR/missing-lifetimes-in-signature.rs:52:5
|
LL | / move || {
LL | |
LL | | *dest = g.get();
LL | | }
| |_____^
|
note: the parameter type `G` must be valid for the anonymous lifetime defined here...
--> $DIR/missing-lifetimes-in-signature.rs:48:34
|
LL | fn qux<'a, G: 'a, T>(g: G, dest: &mut T) -> impl FnOnce() + '_
| ^^^^^^
note: ...so that the type `G` will meet its required lifetime bounds
--> $DIR/missing-lifetimes-in-signature.rs:52:5
|
LL | / move || {
LL | |
LL | | *dest = g.get();
LL | | }
| |_____^
help: consider adding an explicit lifetime bound...
|
LL | fn qux<'b, 'a, G: 'a + 'b, T>(g: G, dest: &'b mut T) -> impl FnOnce() + '_
| +++ ++++ ++
error[E0311]: the parameter type `G` may not live long enough
--> $DIR/missing-lifetimes-in-signature.rs:61:9
|
LL | / move || {
LL | |
LL | | *dest = g.get();
LL | | }
| |_________^
|
note: the parameter type `G` must be valid for the anonymous lifetime defined here...
--> $DIR/missing-lifetimes-in-signature.rs:60:47
|
LL | fn qux<'b, G: Get<T> + 'b, T>(g: G, dest: &mut T) -> impl FnOnce() + '_ {
| ^^^^^^
note: ...so that the type `G` will meet its required lifetime bounds
--> $DIR/missing-lifetimes-in-signature.rs:61:9
|
LL | / move || {
LL | |
LL | | *dest = g.get();
LL | | }
| |_________^
help: consider adding an explicit lifetime bound...
|
LL | fn qux<'c, 'b, G: Get<T> + 'b + 'c, T>(g: G, dest: &'c mut T) -> impl FnOnce() + '_ {
| +++ ++++ ++
error[E0311]: the parameter type `G` may not live long enough
--> $DIR/missing-lifetimes-in-signature.rs:73:5
|
LL | / move || {
LL | |
LL | |
LL | | *dest = g.get();
LL | | }
| |_____^
|
note: the parameter type `G` must be valid for the anonymous lifetime defined here...
--> $DIR/missing-lifetimes-in-signature.rs:69:34
|
LL | fn bat<'a, G: 'a, T>(g: G, dest: &mut T) -> impl FnOnce() + '_ + 'a
| ^^^^^^
note: ...so that the type `G` will meet its required lifetime bounds
--> $DIR/missing-lifetimes-in-signature.rs:73:5
|
LL | / move || {
LL | |
LL | |
LL | | *dest = g.get();
LL | | }
| |_____^
help: consider adding an explicit lifetime bound...
|
LL | fn bat<'b, 'a, G: 'a + 'b, T>(g: G, dest: &'b mut T) -> impl FnOnce() + '_ + 'a
| +++ ++++ ++
error[E0621]: explicit lifetime required in the type of `dest`
--> $DIR/missing-lifetimes-in-signature.rs:73:5
|
LL | fn bat<'a, G: 'a, T>(g: G, dest: &mut T) -> impl FnOnce() + '_ + 'a
| ------ help: add explicit lifetime `'a` to the type of `dest`: `&'a mut T`
...
LL | / move || {
LL | |
LL | |
LL | | *dest = g.get();
LL | | }
| |_____^ lifetime `'a` required
error[E0309]: the parameter type `G` may not live long enough
--> $DIR/missing-lifetimes-in-signature.rs:85:5
|
LL | / move || {
LL | |
LL | | *dest = g.get();
LL | | }
| |_____^ ...so that the type `G` will meet its required lifetime bounds
|
help: consider adding an explicit lifetime bound...
|
LL | G: Get<T> + 'a,
| ++++
error: aborting due to 8 previous errors
Some errors have detailed explanations: E0261, E0309, E0311, E0621, E0700.
For more information about an error, try `rustc --explain E0261`.