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12 changes: 12 additions & 0 deletions
12
src/test/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.rs
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#![feature(generic_associated_types)] | ||
//~^ WARNING: the feature `generic_associated_types` is incomplete | ||
|
||
trait X { | ||
type Y<'x>; | ||
} | ||
|
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fn main() { | ||
fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {} | ||
//~^ ERROR: use of undeclared lifetime name `'x` | ||
//~| ERROR: binding for associated type `Y` references lifetime | ||
} |
29 changes: 29 additions & 0 deletions
29
src/test/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.stderr
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warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes | ||
--> $DIR/gat-in-trait-path-undeclared-lifetime.rs:1:12 | ||
| | ||
LL | #![feature(generic_associated_types)] | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^ | ||
| | ||
= note: `#[warn(incomplete_features)]` on by default | ||
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information | ||
|
||
error[E0261]: use of undeclared lifetime name `'x` | ||
--> $DIR/gat-in-trait-path-undeclared-lifetime.rs:9:35 | ||
| | ||
LL | fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {} | ||
| - ^^ undeclared lifetime | ||
| | | ||
| help: consider introducing lifetime `'x` here: `<'x>` | ||
| | ||
= help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes | ||
|
||
error[E0582]: binding for associated type `Y` references lifetime `'a`, which does not appear in the trait input types | ||
--> $DIR/gat-in-trait-path-undeclared-lifetime.rs:9:33 | ||
| | ||
LL | fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {} | ||
| ^^^^^^^^^^^^^^^^^ | ||
|
||
error: aborting due to 2 previous errors; 1 warning emitted | ||
|
||
Some errors have detailed explanations: E0261, E0582. | ||
For more information about an error, try `rustc --explain E0261`. |
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// check-pass | ||
|
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#![feature(generic_associated_types)] | ||
//~^ WARNING: the feature `generic_associated_types` is incomplete | ||
#![feature(associated_type_defaults)] | ||
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trait Foo { | ||
type A<'a> where Self: 'a; | ||
} | ||
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struct Fooy; | ||
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impl Foo for Fooy { | ||
type A<'a> = &'a (); | ||
} | ||
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#[derive(Clone)] | ||
struct Fooer<T>(T); | ||
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impl<T> Foo for Fooer<T> { | ||
type A<'x> where T: 'x = &'x (); | ||
} | ||
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fn f(_arg : Box<dyn for<'a> Foo<A<'a> = &'a ()>>) {} | ||
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fn main() { | ||
let foo = Fooer(5); | ||
f(Box::new(foo)); | ||
} |
11 changes: 11 additions & 0 deletions
11
src/test/ui/generic-associated-types/gat-in-trait-path.stderr
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warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes | ||
--> $DIR/gat-in-trait-path.rs:3:12 | ||
| | ||
LL | #![feature(generic_associated_types)] | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^ | ||
| | ||
= note: `#[warn(incomplete_features)]` on by default | ||
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information | ||
|
||
warning: 1 warning emitted | ||
|
16 changes: 16 additions & 0 deletions
16
src/test/ui/generic-associated-types/gat-trait-path-generic-type-arg.rs
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#![feature(generic_associated_types)] | ||
//~^ WARNING: the feature `generic_associated_types` is incomplete | ||
|
||
trait Foo { | ||
type F<'a>; | ||
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fn identity<'a>(t: &'a Self::F<'a>) -> &'a Self::F<'a> { t } | ||
} | ||
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impl <T, T1> Foo for T { | ||
type F<T1> = &[u8]; | ||
//~^ ERROR: the name `T1` is already used for | ||
//~| ERROR: missing lifetime specifier | ||
} | ||
|
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fn main() {} |
32 changes: 32 additions & 0 deletions
32
src/test/ui/generic-associated-types/gat-trait-path-generic-type-arg.stderr
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error[E0403]: the name `T1` is already used for a generic parameter in this item's generic parameters | ||
--> $DIR/gat-trait-path-generic-type-arg.rs:11:12 | ||
| | ||
LL | impl <T, T1> Foo for T { | ||
| -- first use of `T1` | ||
LL | type F<T1> = &[u8]; | ||
| ^^ already used | ||
|
||
warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes | ||
--> $DIR/gat-trait-path-generic-type-arg.rs:1:12 | ||
| | ||
LL | #![feature(generic_associated_types)] | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^ | ||
| | ||
= note: `#[warn(incomplete_features)]` on by default | ||
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information | ||
|
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error[E0106]: missing lifetime specifier | ||
--> $DIR/gat-trait-path-generic-type-arg.rs:11:18 | ||
| | ||
LL | type F<T1> = &[u8]; | ||
| ^ expected named lifetime parameter | ||
| | ||
help: consider introducing a named lifetime parameter | ||
| | ||
LL | type F<'a, T1> = &'a [u8]; | ||
| ^^^ ^^^ | ||
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error: aborting due to 2 previous errors; 1 warning emitted | ||
|
||
Some errors have detailed explanations: E0106, E0403. | ||
For more information about an error, try `rustc --explain E0106`. |
18 changes: 18 additions & 0 deletions
18
src/test/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs
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#![feature(generic_associated_types)] | ||
//~^ WARNING: the feature `generic_associated_types` is incomplete | ||
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trait X { | ||
type Y<'a>; | ||
//~^ ERROR missing generics for | ||
//~| ERROR missing generics for | ||
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fn foo<'a>(t : Self::Y<'a>) -> Self::Y<'a> { t } | ||
} | ||
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impl<T> X for T { | ||
fn foo<'a, T1: X<Y = T1>>(t : T1) -> T1::Y<'a> { | ||
t | ||
} | ||
} | ||
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fn main() {} |
44 changes: 44 additions & 0 deletions
44
src/test/ui/generic-associated-types/gat-trait-path-missing-lifetime.stderr
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warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes | ||
--> $DIR/gat-trait-path-missing-lifetime.rs:1:12 | ||
| | ||
LL | #![feature(generic_associated_types)] | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^ | ||
| | ||
= note: `#[warn(incomplete_features)]` on by default | ||
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information | ||
|
||
error[E0107]: missing generics for associated type `X::Y` | ||
--> $DIR/gat-trait-path-missing-lifetime.rs:5:8 | ||
| | ||
LL | type Y<'a>; | ||
| ^ expected 1 lifetime argument | ||
| | ||
note: associated type defined here, with 1 lifetime parameter: `'a` | ||
--> $DIR/gat-trait-path-missing-lifetime.rs:5:8 | ||
| | ||
LL | type Y<'a>; | ||
| ^ -- | ||
help: use angle brackets to add missing lifetime argument | ||
| | ||
LL | type Y<'a><'a>; | ||
| ^^^^ | ||
|
||
error[E0107]: missing generics for associated type `X::Y` | ||
--> $DIR/gat-trait-path-missing-lifetime.rs:5:8 | ||
| | ||
LL | type Y<'a>; | ||
| ^ expected 1 lifetime argument | ||
| | ||
note: associated type defined here, with 1 lifetime parameter: `'a` | ||
--> $DIR/gat-trait-path-missing-lifetime.rs:5:8 | ||
| | ||
LL | type Y<'a>; | ||
| ^ -- | ||
help: use angle brackets to add missing lifetime argument | ||
| | ||
LL | type Y<'a><'a>; | ||
| ^^^^ | ||
|
||
error: aborting due to 2 previous errors; 1 warning emitted | ||
|
||
For more information about this error, try `rustc --explain E0107`. |
15 changes: 15 additions & 0 deletions
15
src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs
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#![feature(generic_associated_types)] | ||
//~^ WARNING: the feature `generic_associated_types` is incomplete | ||
|
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trait X { | ||
type Y<'a>; | ||
//~^ ERROR this associated type | ||
//~| ERROR this associated type | ||
} | ||
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fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} | ||
//~^ ERROR: lifetime in trait object type must be followed by `+` | ||
//~| ERROR: parenthesized generic arguments cannot be used | ||
//~| WARNING: trait objects without an explicit `dyn` are deprecated | ||
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fn main() {} |
68 changes: 68 additions & 0 deletions
68
src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr
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error: lifetime in trait object type must be followed by `+` | ||
--> $DIR/gat-trait-path-parenthesised-args.rs:10:29 | ||
| | ||
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} | ||
| ^^ | ||
|
||
error: parenthesized generic arguments cannot be used in associated type constraints | ||
--> $DIR/gat-trait-path-parenthesised-args.rs:10:27 | ||
| | ||
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} | ||
| ^^^^^ | ||
|
||
warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes | ||
--> $DIR/gat-trait-path-parenthesised-args.rs:1:12 | ||
| | ||
LL | #![feature(generic_associated_types)] | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^ | ||
| | ||
= note: `#[warn(incomplete_features)]` on by default | ||
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information | ||
|
||
warning: trait objects without an explicit `dyn` are deprecated | ||
--> $DIR/gat-trait-path-parenthesised-args.rs:10:29 | ||
| | ||
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} | ||
| ^^ help: use `dyn`: `dyn 'a` | ||
| | ||
= note: `#[warn(bare_trait_objects)]` on by default | ||
|
||
error[E0107]: this associated type takes 1 lifetime argument but 0 lifetime arguments were supplied | ||
--> $DIR/gat-trait-path-parenthesised-args.rs:5:8 | ||
| | ||
LL | type Y<'a>; | ||
| ^ expected 1 lifetime argument | ||
| | ||
note: associated type defined here, with 1 lifetime parameter: `'a` | ||
--> $DIR/gat-trait-path-parenthesised-args.rs:5:8 | ||
| | ||
LL | type Y<'a>; | ||
| ^ -- | ||
help: add missing lifetime argument | ||
| | ||
LL | fn foo<'a>(arg: Box<dyn X<Y('a'a) = &'a ()>>) {} | ||
| ^^ | ||
|
||
error[E0107]: this associated type takes 0 type arguments but 1 type argument was supplied | ||
--> $DIR/gat-trait-path-parenthesised-args.rs:5:8 | ||
| | ||
LL | type Y<'a>; | ||
| ________^- | ||
| | | | ||
| | expected 0 type arguments | ||
LL | | | ||
LL | | | ||
LL | | } | ||
LL | | | ||
LL | | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} | ||
| |_________________________________________- help: remove these generics | ||
| | ||
note: associated type defined here, with 0 type parameters | ||
--> $DIR/gat-trait-path-parenthesised-args.rs:5:8 | ||
| | ||
LL | type Y<'a>; | ||
| ^ | ||
|
||
error: aborting due to 4 previous errors; 2 warnings emitted | ||
|
||
For more information about this error, try `rustc --explain E0107`. |
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@@ -0,0 +1,12 @@ | ||
// check-pass | ||
|
||
#![feature(generic_associated_types)] | ||
//~^ WARNING: the feature `generic_associated_types` is incomplete | ||
|
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trait X { | ||
type Y<'a>; | ||
} | ||
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fn _func1<'a>(_x: Box<dyn X<Y<'a>=&'a ()>>) {} | ||
|
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fn main() {} |
11 changes: 11 additions & 0 deletions
11
src/test/ui/generic-associated-types/issue-67510-pass.stderr
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warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes | ||
--> $DIR/issue-67510-pass.rs:3:12 | ||
| | ||
LL | #![feature(generic_associated_types)] | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^ | ||
| | ||
= note: `#[warn(incomplete_features)]` on by default | ||
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information | ||
|
||
warning: 1 warning emitted | ||
|
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@@ -0,0 +1,13 @@ | ||
#![feature(generic_associated_types)] | ||
//~^ WARNING: the feature `generic_associated_types` is incomplete | ||
|
||
trait X { | ||
type Y<'a>; | ||
} | ||
|
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fn f(x: Box<dyn X<Y<'a>=&'a ()>>) {} | ||
//~^ ERROR: use of undeclared lifetime name `'a` | ||
//~| ERROR: use of undeclared lifetime name `'a` | ||
|
||
|
||
fn main() {} |
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warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes | ||
--> $DIR/issue-67510.rs:1:12 | ||
| | ||
LL | #![feature(generic_associated_types)] | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^ | ||
| | ||
= note: `#[warn(incomplete_features)]` on by default | ||
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information | ||
|
||
error[E0261]: use of undeclared lifetime name `'a` | ||
--> $DIR/issue-67510.rs:8:21 | ||
| | ||
LL | fn f(x: Box<dyn X<Y<'a>=&'a ()>>) {} | ||
| - ^^ undeclared lifetime | ||
| | | ||
| help: consider introducing lifetime `'a` here: `<'a>` | ||
| | ||
= help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes | ||
|
||
error[E0261]: use of undeclared lifetime name `'a` | ||
--> $DIR/issue-67510.rs:8:26 | ||
| | ||
LL | fn f(x: Box<dyn X<Y<'a>=&'a ()>>) {} | ||
| - ^^ undeclared lifetime | ||
| | | ||
| help: consider introducing lifetime `'a` here: `<'a>` | ||
| | ||
= help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes | ||
|
||
error: aborting due to 2 previous errors; 1 warning emitted | ||
|
||
For more information about this error, try `rustc --explain E0261`. |
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@@ -0,0 +1,26 @@ | ||
// check-pass | ||
|
||
#![feature(generic_associated_types)] | ||
//~^ WARNING: the feature `generic_associated_types` is incomplete | ||
|
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|
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trait Fun { | ||
type F<'a>; | ||
|
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fn identity<'a>(t: Self::F<'a>) -> Self::F<'a> { t } | ||
} | ||
|
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impl <T> Fun for T { | ||
type F<'a> = Self; | ||
} | ||
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fn bug<'a, T: for<'b> Fun<F<'b> = T>>(t: T) -> T::F<'a> { | ||
T::identity(t) | ||
} | ||
|
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|
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fn main() { | ||
let x = 10; | ||
|
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bug(x); | ||
} |
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@@ -0,0 +1,11 @@ | ||
warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes | ||
--> $DIR/issue-68648-1.rs:3:12 | ||
| | ||
LL | #![feature(generic_associated_types)] | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^ | ||
| | ||
= note: `#[warn(incomplete_features)]` on by default | ||
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information | ||
|
||
warning: 1 warning emitted | ||
|
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