diff options
Diffstat (limited to 'src/test/ui/variance/variance-btree-invariant-types.stderr')
| -rw-r--r-- | src/test/ui/variance/variance-btree-invariant-types.stderr | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/src/test/ui/variance/variance-btree-invariant-types.stderr b/src/test/ui/variance/variance-btree-invariant-types.stderr new file mode 100644 index 000000000..6f7910021 --- /dev/null +++ b/src/test/ui/variance/variance-btree-invariant-types.stderr @@ -0,0 +1,202 @@ +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:4:5 + | +LL | fn iter_cov_key<'a, 'new>(v: IterMut<'a, &'static (), ()>) -> IterMut<'a, &'new (), ()> { + | ---- lifetime `'new` defined here +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `std::collections::btree_map::IterMut<'_, &(), ()>`, which makes the generic argument `&()` invariant + = note: the struct `std::collections::btree_map::IterMut<'a, K, V>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:8:5 + | +LL | fn iter_cov_val<'a, 'new>(v: IterMut<'a, (), &'static ()>) -> IterMut<'a, (), &'new ()> { + | ---- lifetime `'new` defined here +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `std::collections::btree_map::IterMut<'_, (), &()>`, which makes the generic argument `()` invariant + = note: the struct `std::collections::btree_map::IterMut<'a, K, V>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:12:5 + | +LL | fn iter_contra_key<'a, 'new>(v: IterMut<'a, &'new (), ()>) -> IterMut<'a, &'static (), ()> { + | ---- lifetime `'new` defined here +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `std::collections::btree_map::IterMut<'_, &(), ()>`, which makes the generic argument `&()` invariant + = note: the struct `std::collections::btree_map::IterMut<'a, K, V>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:16:5 + | +LL | fn iter_contra_val<'a, 'new>(v: IterMut<'a, (), &'new ()>) -> IterMut<'a, (), &'static ()> { + | ---- lifetime `'new` defined here +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `std::collections::btree_map::IterMut<'_, (), &()>`, which makes the generic argument `()` invariant + = note: the struct `std::collections::btree_map::IterMut<'a, K, V>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:21:5 + | +LL | fn range_cov_key<'a, 'new>(v: RangeMut<'a, &'static (), ()>) -> RangeMut<'a, &'new (), ()> { + | ---- lifetime `'new` defined here +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `RangeMut<'_, &(), ()>`, which makes the generic argument `&()` invariant + = note: the struct `RangeMut<'a, K, V>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:25:5 + | +LL | fn range_cov_val<'a, 'new>(v: RangeMut<'a, (), &'static ()>) -> RangeMut<'a, (), &'new ()> { + | ---- lifetime `'new` defined here +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `RangeMut<'_, (), &()>`, which makes the generic argument `()` invariant + = note: the struct `RangeMut<'a, K, V>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:29:5 + | +LL | fn range_contra_key<'a, 'new>(v: RangeMut<'a, &'new (), ()>) -> RangeMut<'a, &'static (), ()> { + | ---- lifetime `'new` defined here +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `RangeMut<'_, &(), ()>`, which makes the generic argument `&()` invariant + = note: the struct `RangeMut<'a, K, V>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:33:5 + | +LL | fn range_contra_val<'a, 'new>(v: RangeMut<'a, (), &'new ()>) -> RangeMut<'a, (), &'static ()> { + | ---- lifetime `'new` defined here +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `RangeMut<'_, (), &()>`, which makes the generic argument `()` invariant + = note: the struct `RangeMut<'a, K, V>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:39:5 + | +LL | fn occ_cov_key<'a, 'new>(v: OccupiedEntry<'a, &'static (), ()>) + | ---- lifetime `'new` defined here +LL | -> OccupiedEntry<'a, &'new (), ()> { +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `std::collections::btree_map::OccupiedEntry<'_, &(), ()>`, which makes the generic argument `&()` invariant + = note: the struct `std::collections::btree_map::OccupiedEntry<'a, K, V, A>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:44:5 + | +LL | fn occ_cov_val<'a, 'new>(v: OccupiedEntry<'a, (), &'static ()>) + | ---- lifetime `'new` defined here +LL | -> OccupiedEntry<'a, (), &'new ()> { +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `std::collections::btree_map::OccupiedEntry<'_, (), &()>`, which makes the generic argument `()` invariant + = note: the struct `std::collections::btree_map::OccupiedEntry<'a, K, V, A>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:49:5 + | +LL | fn occ_contra_key<'a, 'new>(v: OccupiedEntry<'a, &'new (), ()>) + | ---- lifetime `'new` defined here +LL | -> OccupiedEntry<'a, &'static (), ()> { +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `std::collections::btree_map::OccupiedEntry<'_, &(), ()>`, which makes the generic argument `&()` invariant + = note: the struct `std::collections::btree_map::OccupiedEntry<'a, K, V, A>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:54:5 + | +LL | fn occ_contra_val<'a, 'new>(v: OccupiedEntry<'a, (), &'new ()>) + | ---- lifetime `'new` defined here +LL | -> OccupiedEntry<'a, (), &'static ()> { +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `std::collections::btree_map::OccupiedEntry<'_, (), &()>`, which makes the generic argument `()` invariant + = note: the struct `std::collections::btree_map::OccupiedEntry<'a, K, V, A>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:60:5 + | +LL | fn vac_cov_key<'a, 'new>(v: VacantEntry<'a, &'static (), ()>) + | ---- lifetime `'new` defined here +LL | -> VacantEntry<'a, &'new (), ()> { +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `std::collections::btree_map::VacantEntry<'_, &(), ()>`, which makes the generic argument `&()` invariant + = note: the struct `std::collections::btree_map::VacantEntry<'a, K, V, A>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:65:5 + | +LL | fn vac_cov_val<'a, 'new>(v: VacantEntry<'a, (), &'static ()>) + | ---- lifetime `'new` defined here +LL | -> VacantEntry<'a, (), &'new ()> { +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `std::collections::btree_map::VacantEntry<'_, (), &()>`, which makes the generic argument `()` invariant + = note: the struct `std::collections::btree_map::VacantEntry<'a, K, V, A>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:70:5 + | +LL | fn vac_contra_key<'a, 'new>(v: VacantEntry<'a, &'new (), ()>) + | ---- lifetime `'new` defined here +LL | -> VacantEntry<'a, &'static (), ()> { +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `std::collections::btree_map::VacantEntry<'_, &(), ()>`, which makes the generic argument `&()` invariant + = note: the struct `std::collections::btree_map::VacantEntry<'a, K, V, A>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/variance-btree-invariant-types.rs:75:5 + | +LL | fn vac_contra_val<'a, 'new>(v: VacantEntry<'a, (), &'new ()>) + | ---- lifetime `'new` defined here +LL | -> VacantEntry<'a, (), &'static ()> { +LL | v + | ^ returning this value requires that `'new` must outlive `'static` + | + = note: requirement occurs because of the type `std::collections::btree_map::VacantEntry<'_, (), &()>`, which makes the generic argument `()` invariant + = note: the struct `std::collections::btree_map::VacantEntry<'a, K, V, A>` is invariant over the parameter `K` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: aborting due to 16 previous errors + |