rust/tests/ui/nll/ty-outlives/projection-two-region-trait...

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note: external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:38:29
|
LL | with_signature(cell, t, |cell, t| require(cell, t));
| ^^^^^^^^^
|
= note: defining type: no_relationships_late::<'?1, '?2, T>::{closure#0} with closure args [
i32,
extern "rust-call" fn((std::cell::Cell<&'?3 ()>, T)),
(),
]
= note: late-bound region is '?4
= note: number of external vids: 5
= note: where <T as Anything<'?1, '?2>>::AssocType: '?3
note: no external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:34:1
|
LL | / fn no_relationships_late<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T)
LL | | where
LL | | T: Anything<'b, 'c>,
| |________________________^
|
= note: defining type: no_relationships_late::<'?1, '?2, T>
error[E0309]: the associated type `<T as Anything<'?5, '?6>>::AssocType` may not live long enough
--> $DIR/projection-two-region-trait-bound-closure.rs:38:39
|
LL | fn no_relationships_late<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T)
| -- the associated type `<T as Anything<'?5, '?6>>::AssocType` must be valid for the lifetime `'a` as defined here...
...
LL | with_signature(cell, t, |cell, t| require(cell, t));
| ^^^^^^^^^^^^^^^^ ...so that the type `<T as Anything<'?5, '?6>>::AssocType` will meet its required lifetime bounds
|
= help: consider adding an explicit lifetime bound `<T as Anything<'?5, '?6>>::AssocType: 'a`...
note: external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:48:29
|
LL | with_signature(cell, t, |cell, t| require(cell, t));
| ^^^^^^^^^
|
= note: defining type: no_relationships_early::<'?1, '?2, '?3, T>::{closure#0} with closure args [
i32,
extern "rust-call" fn((std::cell::Cell<&'?4 ()>, T)),
(),
]
= note: number of external vids: 5
= note: where <T as Anything<'?2, '?3>>::AssocType: '?4
note: no external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:43:1
|
LL | / fn no_relationships_early<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T)
LL | | where
LL | | T: Anything<'b, 'c>,
LL | | 'a: 'a,
| |___________^
|
= note: defining type: no_relationships_early::<'?1, '?2, '?3, T>
error[E0309]: the associated type `<T as Anything<'?6, '?7>>::AssocType` may not live long enough
--> $DIR/projection-two-region-trait-bound-closure.rs:48:39
|
LL | fn no_relationships_early<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T)
| -- the associated type `<T as Anything<'?6, '?7>>::AssocType` must be valid for the lifetime `'a` as defined here...
...
LL | with_signature(cell, t, |cell, t| require(cell, t));
| ^^^^^^^^^^^^^^^^ ...so that the type `<T as Anything<'?6, '?7>>::AssocType` will meet its required lifetime bounds
|
= help: consider adding an explicit lifetime bound `<T as Anything<'?6, '?7>>::AssocType: 'a`...
note: external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:61:29
|
LL | with_signature(cell, t, |cell, t| require(cell, t));
| ^^^^^^^^^
|
= note: defining type: projection_outlives::<'?1, '?2, '?3, T>::{closure#0} with closure args [
i32,
extern "rust-call" fn((std::cell::Cell<&'?4 ()>, T)),
(),
]
= note: number of external vids: 5
= note: where <T as Anything<'?2, '?3>>::AssocType: '?4
note: no external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:53:1
|
LL | / fn projection_outlives<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T)
LL | | where
LL | | T: Anything<'b, 'c>,
LL | | T::AssocType: 'a,
| |_____________________^
|
= note: defining type: projection_outlives::<'?1, '?2, '?3, T>
note: external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:70:29
|
LL | with_signature(cell, t, |cell, t| require(cell, t));
| ^^^^^^^^^
|
= note: defining type: elements_outlive1::<'?1, '?2, '?3, T>::{closure#0} with closure args [
i32,
extern "rust-call" fn((std::cell::Cell<&'?4 ()>, T)),
(),
]
= note: number of external vids: 5
= note: where <T as Anything<'?2, '?3>>::AssocType: '?4
note: no external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:65:1
|
LL | / fn elements_outlive1<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T)
LL | | where
LL | | T: Anything<'b, 'c>,
LL | | 'b: 'a,
| |___________^
|
= note: defining type: elements_outlive1::<'?1, '?2, '?3, T>
note: external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:79:29
|
LL | with_signature(cell, t, |cell, t| require(cell, t));
| ^^^^^^^^^
|
= note: defining type: elements_outlive2::<'?1, '?2, '?3, T>::{closure#0} with closure args [
i32,
extern "rust-call" fn((std::cell::Cell<&'?4 ()>, T)),
(),
]
= note: number of external vids: 5
= note: where <T as Anything<'?2, '?3>>::AssocType: '?4
note: no external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:74:1
|
LL | / fn elements_outlive2<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T)
LL | | where
LL | | T: Anything<'b, 'c>,
LL | | 'c: 'a,
| |___________^
|
= note: defining type: elements_outlive2::<'?1, '?2, '?3, T>
note: external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:87:29
|
LL | with_signature(cell, t, |cell, t| require(cell, t));
| ^^^^^^^^^
|
= note: defining type: two_regions::<'?1, T>::{closure#0} with closure args [
i32,
extern "rust-call" fn((std::cell::Cell<&'?2 ()>, T)),
(),
]
= note: late-bound region is '?3
= note: number of external vids: 4
= note: where <T as Anything<'?1, '?1>>::AssocType: '?2
note: no external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:83:1
|
LL | / fn two_regions<'a, 'b, T>(cell: Cell<&'a ()>, t: T)
LL | | where
LL | | T: Anything<'b, 'b>,
| |________________________^
|
= note: defining type: two_regions::<'?1, T>
error: lifetime may not live long enough
--> $DIR/projection-two-region-trait-bound-closure.rs:87:5
|
LL | fn two_regions<'a, 'b, T>(cell: Cell<&'a ()>, t: T)
| -- -- lifetime `'b` defined here
| |
| lifetime `'a` defined here
...
LL | with_signature(cell, t, |cell, t| require(cell, t));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'b` must outlive `'a`
|
= help: consider adding the following bound: `'b: 'a`
= note: requirement occurs because of the type `Cell<&'?8 ()>`, which makes the generic argument `&'?8 ()` invariant
= note: the struct `Cell<T>` is invariant over the parameter `T`
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
note: external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:97:29
|
LL | with_signature(cell, t, |cell, t| require(cell, t));
| ^^^^^^^^^
|
= note: defining type: two_regions_outlive::<'?1, '?2, T>::{closure#0} with closure args [
i32,
extern "rust-call" fn((std::cell::Cell<&'?3 ()>, T)),
(),
]
= note: number of external vids: 4
= note: where <T as Anything<'?2, '?2>>::AssocType: '?3
note: no external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:92:1
|
LL | / fn two_regions_outlive<'a, 'b, T>(cell: Cell<&'a ()>, t: T)
LL | | where
LL | | T: Anything<'b, 'b>,
LL | | 'b: 'a,
| |___________^
|
= note: defining type: two_regions_outlive::<'?1, '?2, T>
note: external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:109:29
|
LL | with_signature(cell, t, |cell, t| require(cell, t));
| ^^^^^^^^^
|
= note: defining type: one_region::<'?1, T>::{closure#0} with closure args [
i32,
extern "rust-call" fn((std::cell::Cell<&'?2 ()>, T)),
(),
]
= note: number of external vids: 3
= note: where <T as Anything<'?1, '?1>>::AssocType: '?2
note: no external requirements
--> $DIR/projection-two-region-trait-bound-closure.rs:101:1
|
LL | / fn one_region<'a, T>(cell: Cell<&'a ()>, t: T)
LL | | where
LL | | T: Anything<'a, 'a>,
| |________________________^
|
= note: defining type: one_region::<'?1, T>
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0309`.