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BTree: test range_mut's variance the same way as iter_mut's is tested #86228

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BTree: test range_mut's variance the same way as iter_mut's is tested #86228

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58 changes: 49 additions & 9 deletions src/test/ui/variance/variance-btree-invariant-types.nll.stderr
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,47 @@ LL | v
= help: consider replacing `'new` with `'static`

error: lifetime may not live long enough
--> $DIR/variance-btree-invariant-types.rs:18:5
--> $DIR/variance-btree-invariant-types.rs:17:5
|
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`
|
= help: consider replacing `'new` with `'static`

error: lifetime may not live long enough
--> $DIR/variance-btree-invariant-types.rs:20:5
|
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`
|
= help: consider replacing `'new` with `'static`

error: lifetime may not live long enough
--> $DIR/variance-btree-invariant-types.rs:23:5
|
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`
|
= help: consider replacing `'new` with `'static`

error: lifetime may not live long enough
--> $DIR/variance-btree-invariant-types.rs:26:5
|
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`
|
= help: consider replacing `'new` with `'static`

error: lifetime may not live long enough
--> $DIR/variance-btree-invariant-types.rs:31:5
|
LL | fn occ_cov_key<'a, 'new>(v: OccupiedEntry<'a, &'static (), ()>)
| ---- lifetime `'new` defined here
Expand All @@ -50,7 +90,7 @@ LL | v
= help: consider replacing `'new` with `'static`

error: lifetime may not live long enough
--> $DIR/variance-btree-invariant-types.rs:22:5
--> $DIR/variance-btree-invariant-types.rs:35:5
|
LL | fn occ_cov_val<'a, 'new>(v: OccupiedEntry<'a, (), &'static ()>)
| ---- lifetime `'new` defined here
Expand All @@ -61,7 +101,7 @@ LL | v
= help: consider replacing `'new` with `'static`

error: lifetime may not live long enough
--> $DIR/variance-btree-invariant-types.rs:26:5
--> $DIR/variance-btree-invariant-types.rs:39:5
|
LL | fn occ_contra_key<'a, 'new>(v: OccupiedEntry<'a, &'new (), ()>)
| ---- lifetime `'new` defined here
Expand All @@ -72,7 +112,7 @@ LL | v
= help: consider replacing `'new` with `'static`

error: lifetime may not live long enough
--> $DIR/variance-btree-invariant-types.rs:30:5
--> $DIR/variance-btree-invariant-types.rs:43:5
|
LL | fn occ_contra_val<'a, 'new>(v: OccupiedEntry<'a, (), &'new ()>)
| ---- lifetime `'new` defined here
Expand All @@ -83,7 +123,7 @@ LL | v
= help: consider replacing `'new` with `'static`

error: lifetime may not live long enough
--> $DIR/variance-btree-invariant-types.rs:35:5
--> $DIR/variance-btree-invariant-types.rs:48:5
|
LL | fn vac_cov_key<'a, 'new>(v: VacantEntry<'a, &'static (), ()>)
| ---- lifetime `'new` defined here
Expand All @@ -94,7 +134,7 @@ LL | v
= help: consider replacing `'new` with `'static`

error: lifetime may not live long enough
--> $DIR/variance-btree-invariant-types.rs:39:5
--> $DIR/variance-btree-invariant-types.rs:52:5
|
LL | fn vac_cov_val<'a, 'new>(v: VacantEntry<'a, (), &'static ()>)
| ---- lifetime `'new` defined here
Expand All @@ -105,7 +145,7 @@ LL | v
= help: consider replacing `'new` with `'static`

error: lifetime may not live long enough
--> $DIR/variance-btree-invariant-types.rs:43:5
--> $DIR/variance-btree-invariant-types.rs:56:5
|
LL | fn vac_contra_key<'a, 'new>(v: VacantEntry<'a, &'new (), ()>)
| ---- lifetime `'new` defined here
Expand All @@ -116,7 +156,7 @@ LL | v
= help: consider replacing `'new` with `'static`

error: lifetime may not live long enough
--> $DIR/variance-btree-invariant-types.rs:47:5
--> $DIR/variance-btree-invariant-types.rs:60:5
|
LL | fn vac_contra_val<'a, 'new>(v: VacantEntry<'a, (), &'new ()>)
| ---- lifetime `'new` defined here
Expand All @@ -126,5 +166,5 @@ LL | v
|
= help: consider replacing `'new` with `'static`

error: aborting due to 12 previous errors
error: aborting due to 16 previous errors

15 changes: 14 additions & 1 deletion src/test/ui/variance/variance-btree-invariant-types.rs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
use std::collections::btree_map::{IterMut, OccupiedEntry, VacantEntry};
use std::collections::btree_map::{IterMut, OccupiedEntry, RangeMut, VacantEntry};

fn iter_cov_key<'a, 'new>(v: IterMut<'a, &'static (), ()>) -> IterMut<'a, &'new (), ()> {
v //~ ERROR mismatched types
Expand All @@ -13,6 +13,19 @@ fn iter_contra_val<'a, 'new>(v: IterMut<'a, (), &'new ()>) -> IterMut<'a, (), &'
v //~ ERROR mismatched types
}

fn range_cov_key<'a, 'new>(v: RangeMut<'a, &'static (), ()>) -> RangeMut<'a, &'new (), ()> {
v //~ ERROR mismatched types
}
fn range_cov_val<'a, 'new>(v: RangeMut<'a, (), &'static ()>) -> RangeMut<'a, (), &'new ()> {
v //~ ERROR mismatched types
}
fn range_contra_key<'a, 'new>(v: RangeMut<'a, &'new (), ()>) -> RangeMut<'a, &'static (), ()> {
v //~ ERROR mismatched types
}
fn range_contra_val<'a, 'new>(v: RangeMut<'a, (), &'new ()>) -> RangeMut<'a, (), &'static ()> {
v //~ ERROR mismatched types
}

fn occ_cov_key<'a, 'new>(v: OccupiedEntry<'a, &'static (), ()>)
-> OccupiedEntry<'a, &'new (), ()> {
v //~ ERROR mismatched types
Expand Down
110 changes: 85 additions & 25 deletions src/test/ui/variance/variance-btree-invariant-types.stderr
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Original file line number Diff line number Diff line change
Expand Up @@ -59,125 +59,185 @@ LL | fn iter_contra_val<'a, 'new>(v: IterMut<'a, (), &'new ()>) -> IterMut<'a, (
= note: ...does not necessarily outlive the static lifetime

error[E0308]: mismatched types
--> $DIR/variance-btree-invariant-types.rs:18:5
--> $DIR/variance-btree-invariant-types.rs:17:5
|
LL | v
| ^ lifetime mismatch
|
= note: expected struct `RangeMut<'_, &'new (), _>`
found struct `RangeMut<'_, &'static (), _>`
note: the lifetime `'new` as defined on the function body at 16:22...
--> $DIR/variance-btree-invariant-types.rs:16:22
|
LL | fn range_cov_key<'a, 'new>(v: RangeMut<'a, &'static (), ()>) -> RangeMut<'a, &'new (), ()> {
| ^^^^
= note: ...does not necessarily outlive the static lifetime

error[E0308]: mismatched types
--> $DIR/variance-btree-invariant-types.rs:20:5
|
LL | v
| ^ lifetime mismatch
|
= note: expected struct `RangeMut<'_, _, &'new ()>`
found struct `RangeMut<'_, _, &'static ()>`
note: the lifetime `'new` as defined on the function body at 19:22...
--> $DIR/variance-btree-invariant-types.rs:19:22
|
LL | fn range_cov_val<'a, 'new>(v: RangeMut<'a, (), &'static ()>) -> RangeMut<'a, (), &'new ()> {
| ^^^^
= note: ...does not necessarily outlive the static lifetime

error[E0308]: mismatched types
--> $DIR/variance-btree-invariant-types.rs:23:5
|
LL | v
| ^ lifetime mismatch
|
= note: expected struct `RangeMut<'_, &'static (), _>`
found struct `RangeMut<'_, &'new (), _>`
note: the lifetime `'new` as defined on the function body at 22:25...
--> $DIR/variance-btree-invariant-types.rs:22:25
|
LL | fn range_contra_key<'a, 'new>(v: RangeMut<'a, &'new (), ()>) -> RangeMut<'a, &'static (), ()> {
| ^^^^
= note: ...does not necessarily outlive the static lifetime

error[E0308]: mismatched types
--> $DIR/variance-btree-invariant-types.rs:26:5
|
LL | v
| ^ lifetime mismatch
|
= note: expected struct `RangeMut<'_, _, &'static ()>`
found struct `RangeMut<'_, _, &'new ()>`
note: the lifetime `'new` as defined on the function body at 25:25...
--> $DIR/variance-btree-invariant-types.rs:25:25
|
LL | fn range_contra_val<'a, 'new>(v: RangeMut<'a, (), &'new ()>) -> RangeMut<'a, (), &'static ()> {
| ^^^^
= note: ...does not necessarily outlive the static lifetime

error[E0308]: mismatched types
--> $DIR/variance-btree-invariant-types.rs:31:5
|
LL | v
| ^ lifetime mismatch
|
= note: expected struct `std::collections::btree_map::OccupiedEntry<'_, &'new (), _>`
found struct `std::collections::btree_map::OccupiedEntry<'_, &'static (), _>`
note: the lifetime `'new` as defined on the function body at 16:20...
--> $DIR/variance-btree-invariant-types.rs:16:20
note: the lifetime `'new` as defined on the function body at 29:20...
--> $DIR/variance-btree-invariant-types.rs:29:20
|
LL | fn occ_cov_key<'a, 'new>(v: OccupiedEntry<'a, &'static (), ()>)
| ^^^^
= note: ...does not necessarily outlive the static lifetime

error[E0308]: mismatched types
--> $DIR/variance-btree-invariant-types.rs:22:5
--> $DIR/variance-btree-invariant-types.rs:35:5
|
LL | v
| ^ lifetime mismatch
|
= note: expected struct `std::collections::btree_map::OccupiedEntry<'_, _, &'new ()>`
found struct `std::collections::btree_map::OccupiedEntry<'_, _, &'static ()>`
note: the lifetime `'new` as defined on the function body at 20:20...
--> $DIR/variance-btree-invariant-types.rs:20:20
note: the lifetime `'new` as defined on the function body at 33:20...
--> $DIR/variance-btree-invariant-types.rs:33:20
|
LL | fn occ_cov_val<'a, 'new>(v: OccupiedEntry<'a, (), &'static ()>)
| ^^^^
= note: ...does not necessarily outlive the static lifetime

error[E0308]: mismatched types
--> $DIR/variance-btree-invariant-types.rs:26:5
--> $DIR/variance-btree-invariant-types.rs:39:5
|
LL | v
| ^ lifetime mismatch
|
= note: expected struct `std::collections::btree_map::OccupiedEntry<'_, &'static (), _>`
found struct `std::collections::btree_map::OccupiedEntry<'_, &'new (), _>`
note: the lifetime `'new` as defined on the function body at 24:23...
--> $DIR/variance-btree-invariant-types.rs:24:23
note: the lifetime `'new` as defined on the function body at 37:23...
--> $DIR/variance-btree-invariant-types.rs:37:23
|
LL | fn occ_contra_key<'a, 'new>(v: OccupiedEntry<'a, &'new (), ()>)
| ^^^^
= note: ...does not necessarily outlive the static lifetime

error[E0308]: mismatched types
--> $DIR/variance-btree-invariant-types.rs:30:5
--> $DIR/variance-btree-invariant-types.rs:43:5
|
LL | v
| ^ lifetime mismatch
|
= note: expected struct `std::collections::btree_map::OccupiedEntry<'_, _, &'static ()>`
found struct `std::collections::btree_map::OccupiedEntry<'_, _, &'new ()>`
note: the lifetime `'new` as defined on the function body at 28:23...
--> $DIR/variance-btree-invariant-types.rs:28:23
note: the lifetime `'new` as defined on the function body at 41:23...
--> $DIR/variance-btree-invariant-types.rs:41:23
|
LL | fn occ_contra_val<'a, 'new>(v: OccupiedEntry<'a, (), &'new ()>)
| ^^^^
= note: ...does not necessarily outlive the static lifetime

error[E0308]: mismatched types
--> $DIR/variance-btree-invariant-types.rs:35:5
--> $DIR/variance-btree-invariant-types.rs:48:5
|
LL | v
| ^ lifetime mismatch
|
= note: expected struct `std::collections::btree_map::VacantEntry<'_, &'new (), _>`
found struct `std::collections::btree_map::VacantEntry<'_, &'static (), _>`
note: the lifetime `'new` as defined on the function body at 33:20...
--> $DIR/variance-btree-invariant-types.rs:33:20
note: the lifetime `'new` as defined on the function body at 46:20...
--> $DIR/variance-btree-invariant-types.rs:46:20
|
LL | fn vac_cov_key<'a, 'new>(v: VacantEntry<'a, &'static (), ()>)
| ^^^^
= note: ...does not necessarily outlive the static lifetime

error[E0308]: mismatched types
--> $DIR/variance-btree-invariant-types.rs:39:5
--> $DIR/variance-btree-invariant-types.rs:52:5
|
LL | v
| ^ lifetime mismatch
|
= note: expected struct `std::collections::btree_map::VacantEntry<'_, _, &'new ()>`
found struct `std::collections::btree_map::VacantEntry<'_, _, &'static ()>`
note: the lifetime `'new` as defined on the function body at 37:20...
--> $DIR/variance-btree-invariant-types.rs:37:20
note: the lifetime `'new` as defined on the function body at 50:20...
--> $DIR/variance-btree-invariant-types.rs:50:20
|
LL | fn vac_cov_val<'a, 'new>(v: VacantEntry<'a, (), &'static ()>)
| ^^^^
= note: ...does not necessarily outlive the static lifetime

error[E0308]: mismatched types
--> $DIR/variance-btree-invariant-types.rs:43:5
--> $DIR/variance-btree-invariant-types.rs:56:5
|
LL | v
| ^ lifetime mismatch
|
= note: expected struct `std::collections::btree_map::VacantEntry<'_, &'static (), _>`
found struct `std::collections::btree_map::VacantEntry<'_, &'new (), _>`
note: the lifetime `'new` as defined on the function body at 41:23...
--> $DIR/variance-btree-invariant-types.rs:41:23
note: the lifetime `'new` as defined on the function body at 54:23...
--> $DIR/variance-btree-invariant-types.rs:54:23
|
LL | fn vac_contra_key<'a, 'new>(v: VacantEntry<'a, &'new (), ()>)
| ^^^^
= note: ...does not necessarily outlive the static lifetime

error[E0308]: mismatched types
--> $DIR/variance-btree-invariant-types.rs:47:5
--> $DIR/variance-btree-invariant-types.rs:60:5
|
LL | v
| ^ lifetime mismatch
|
= note: expected struct `std::collections::btree_map::VacantEntry<'_, _, &'static ()>`
found struct `std::collections::btree_map::VacantEntry<'_, _, &'new ()>`
note: the lifetime `'new` as defined on the function body at 45:23...
--> $DIR/variance-btree-invariant-types.rs:45:23
note: the lifetime `'new` as defined on the function body at 58:23...
--> $DIR/variance-btree-invariant-types.rs:58:23
|
LL | fn vac_contra_val<'a, 'new>(v: VacantEntry<'a, (), &'new ()>)
| ^^^^
= note: ...does not necessarily outlive the static lifetime

error: aborting due to 12 previous errors
error: aborting due to 16 previous errors

For more information about this error, try `rustc --explain E0308`.