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add tests
1 parent 9e92015 commit 12d411f

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‎src/test/ui/generic-associated-types/gat-in-trait-path-undeclared-lifetime.rs

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#![feature(generic_associated_types)]
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//~^ WARNING: the feature `generic_associated_types` is incomplete
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trait X {
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type Y<'x>;
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}
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fn main() {
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fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {}
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//~^ ERROR: use of undeclared lifetime name `'x`
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//~| ERROR: binding for associated type `Y` references lifetime
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}

‎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
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--> $DIR/gat-in-trait-path-undeclared-lifetime.rs:1:12
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|
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LL | #![feature(generic_associated_types)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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|
7+
= note: `#[warn(incomplete_features)]` on by default
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= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
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error[E0261]: use of undeclared lifetime name `'x`
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--> $DIR/gat-in-trait-path-undeclared-lifetime.rs:9:35
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|
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LL | fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {}
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| - ^^ undeclared lifetime
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| |
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| help: consider introducing lifetime `'x` here: `<'x>`
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|
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= help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes
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error[E0582]: binding for associated type `Y` references lifetime `'a`, which does not appear in the trait input types
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--> $DIR/gat-in-trait-path-undeclared-lifetime.rs:9:33
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|
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LL | fn _f(arg : Box<dyn for<'a> X<Y<'x> = &'a [u32]>>) {}
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| ^^^^^^^^^^^^^^^^^
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error: aborting due to 2 previous errors; 1 warning emitted
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Some errors have detailed explanations: E0261, E0582.
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For more information about an error, try `rustc --explain E0261`.

‎src/test/ui/generic-associated-types/gat-in-trait-path.rs

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// check-pass
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#![feature(generic_associated_types)]
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//~^ WARNING: the feature `generic_associated_types` is incomplete
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#![feature(associated_type_defaults)]
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trait Foo {
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type A<'a> where Self: 'a;
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}
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struct Fooy;
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impl Foo for Fooy {
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type A<'a> = &'a ();
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}
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#[derive(Clone)]
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struct Fooer<T>(T);
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impl<T> Foo for Fooer<T> {
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type A<'x> where T: 'x = &'x ();
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}
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fn f(_arg : Box<dyn for<'a> Foo<A<'a> = &'a ()>>) {}
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fn main() {
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let foo = Fooer(5);
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f(Box::new(foo));
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}

‎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
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--> $DIR/gat-in-trait-path.rs:3:12
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|
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LL | #![feature(generic_associated_types)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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|
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= note: `#[warn(incomplete_features)]` on by default
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= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
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warning: 1 warning emitted
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‎src/test/ui/generic-associated-types/gat-trait-path-generic-type-arg.rs

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#![feature(generic_associated_types)]
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//~^ WARNING: the feature `generic_associated_types` is incomplete
3+
4+
trait Foo {
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type F<'a>;
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fn identity<'a>(t: &'a Self::F<'a>) -> &'a Self::F<'a> { t }
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}
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impl <T, T1> Foo for T {
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type F<T1> = &[u8];
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//~^ ERROR: the name `T1` is already used for
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//~| ERROR: missing lifetime specifier
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}
15+
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fn main() {}

‎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
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--> $DIR/gat-trait-path-generic-type-arg.rs:11:12
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|
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LL | impl <T, T1> Foo for T {
5+
| -- first use of `T1`
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LL | type F<T1> = &[u8];
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| ^^ already used
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warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes
10+
--> $DIR/gat-trait-path-generic-type-arg.rs:1:12
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|
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LL | #![feature(generic_associated_types)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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|
15+
= note: `#[warn(incomplete_features)]` on by default
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= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
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error[E0106]: missing lifetime specifier
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--> $DIR/gat-trait-path-generic-type-arg.rs:11:18
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|
21+
LL | type F<T1> = &[u8];
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| ^ expected named lifetime parameter
23+
|
24+
help: consider introducing a named lifetime parameter
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|
26+
LL | type F<'a, T1> = &'a [u8];
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| ^^^ ^^^
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error: aborting due to 2 previous errors; 1 warning emitted
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Some errors have detailed explanations: E0106, E0403.
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For more information about an error, try `rustc --explain E0106`.

‎src/test/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs

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#![feature(generic_associated_types)]
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//~^ WARNING: the feature `generic_associated_types` is incomplete
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trait X {
5+
type Y<'a>;
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//~^ ERROR missing generics for
7+
//~| ERROR missing generics for
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fn foo<'a>(t : Self::Y<'a>) -> Self::Y<'a> { t }
10+
}
11+
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impl<T> X for T {
13+
fn foo<'a, T1: X<Y = T1>>(t : T1) -> T1::Y<'a> {
14+
t
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}
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}
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fn main() {}

‎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
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--> $DIR/gat-trait-path-missing-lifetime.rs:1:12
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|
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LL | #![feature(generic_associated_types)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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|
7+
= note: `#[warn(incomplete_features)]` on by default
8+
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
9+
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error[E0107]: missing generics for associated type `X::Y`
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--> $DIR/gat-trait-path-missing-lifetime.rs:5:8
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|
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LL | type Y<'a>;
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| ^ expected 1 lifetime argument
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|
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note: associated type defined here, with 1 lifetime parameter: `'a`
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--> $DIR/gat-trait-path-missing-lifetime.rs:5:8
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|
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LL | type Y<'a>;
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| ^ --
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help: use angle brackets to add missing lifetime argument
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|
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LL | type Y<'a><'a>;
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| ^^^^
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error[E0107]: missing generics for associated type `X::Y`
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--> $DIR/gat-trait-path-missing-lifetime.rs:5:8
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|
29+
LL | type Y<'a>;
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| ^ expected 1 lifetime argument
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|
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note: associated type defined here, with 1 lifetime parameter: `'a`
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--> $DIR/gat-trait-path-missing-lifetime.rs:5:8
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|
35+
LL | type Y<'a>;
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| ^ --
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help: use angle brackets to add missing lifetime argument
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|
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LL | type Y<'a><'a>;
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| ^^^^
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error: aborting due to 2 previous errors; 1 warning emitted
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For more information about this error, try `rustc --explain E0107`.

‎src/test/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs

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#![feature(generic_associated_types)]
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//~^ WARNING: the feature `generic_associated_types` is incomplete
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trait X {
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type Y<'a>;
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//~^ ERROR this associated type
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//~| ERROR this associated type
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}
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fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
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//~^ ERROR: lifetime in trait object type must be followed by `+`
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//~| ERROR: parenthesized generic arguments cannot be used
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//~| WARNING: trait objects without an explicit `dyn` are deprecated
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fn main() {}

‎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 `+`
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--> $DIR/gat-trait-path-parenthesised-args.rs:10:29
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|
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LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
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| ^^
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error: parenthesized generic arguments cannot be used in associated type constraints
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--> $DIR/gat-trait-path-parenthesised-args.rs:10:27
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|
10+
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
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| ^^^^^
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warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes
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--> $DIR/gat-trait-path-parenthesised-args.rs:1:12
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|
16+
LL | #![feature(generic_associated_types)]
17+
| ^^^^^^^^^^^^^^^^^^^^^^^^
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|
19+
= note: `#[warn(incomplete_features)]` on by default
20+
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
21+
22+
warning: trait objects without an explicit `dyn` are deprecated
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--> $DIR/gat-trait-path-parenthesised-args.rs:10:29
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|
25+
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
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| ^^ help: use `dyn`: `dyn 'a`
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|
28+
= note: `#[warn(bare_trait_objects)]` on by default
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error[E0107]: this associated type takes 1 lifetime argument but 0 lifetime arguments were supplied
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--> $DIR/gat-trait-path-parenthesised-args.rs:5:8
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|
33+
LL | type Y<'a>;
34+
| ^ expected 1 lifetime argument
35+
|
36+
note: associated type defined here, with 1 lifetime parameter: `'a`
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--> $DIR/gat-trait-path-parenthesised-args.rs:5:8
38+
|
39+
LL | type Y<'a>;
40+
| ^ --
41+
help: add missing lifetime argument
42+
|
43+
LL | fn foo<'a>(arg: Box<dyn X<Y('a'a) = &'a ()>>) {}
44+
| ^^
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46+
error[E0107]: this associated type takes 0 type arguments but 1 type argument was supplied
47+
--> $DIR/gat-trait-path-parenthesised-args.rs:5:8
48+
|
49+
LL | type Y<'a>;
50+
| ________^-
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| | |
52+
| | expected 0 type arguments
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LL | |
54+
LL | |
55+
LL | | }
56+
LL | |
57+
LL | | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
58+
| |_________________________________________- help: remove these generics
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|
60+
note: associated type defined here, with 0 type parameters
61+
--> $DIR/gat-trait-path-parenthesised-args.rs:5:8
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|
63+
LL | type Y<'a>;
64+
| ^
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error: aborting due to 4 previous errors; 2 warnings emitted
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For more information about this error, try `rustc --explain E0107`.

‎src/test/ui/generic-associated-types/issue-67510-pass.rs

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// check-pass
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#![feature(generic_associated_types)]
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//~^ WARNING: the feature `generic_associated_types` is incomplete
5+
6+
trait X {
7+
type Y<'a>;
8+
}
9+
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fn _func1<'a>(_x: Box<dyn X<Y<'a>=&'a ()>>) {}
11+
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fn main() {}

‎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
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--> $DIR/issue-67510-pass.rs:3:12
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|
4+
LL | #![feature(generic_associated_types)]
5+
| ^^^^^^^^^^^^^^^^^^^^^^^^
6+
|
7+
= note: `#[warn(incomplete_features)]` on by default
8+
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
9+
10+
warning: 1 warning emitted
11+

‎src/test/ui/generic-associated-types/issue-67510.rs

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#![feature(generic_associated_types)]
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//~^ WARNING: the feature `generic_associated_types` is incomplete
3+
4+
trait X {
5+
type Y<'a>;
6+
}
7+
8+
fn f(x: Box<dyn X<Y<'a>=&'a ()>>) {}
9+
//~^ ERROR: use of undeclared lifetime name `'a`
10+
//~| ERROR: use of undeclared lifetime name `'a`
11+
12+
13+
fn main() {}

‎src/test/ui/generic-associated-types/issue-67510.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
2+
--> $DIR/issue-67510.rs:1:12
3+
|
4+
LL | #![feature(generic_associated_types)]
5+
| ^^^^^^^^^^^^^^^^^^^^^^^^
6+
|
7+
= note: `#[warn(incomplete_features)]` on by default
8+
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
9+
10+
error[E0261]: use of undeclared lifetime name `'a`
11+
--> $DIR/issue-67510.rs:8:21
12+
|
13+
LL | fn f(x: Box<dyn X<Y<'a>=&'a ()>>) {}
14+
| - ^^ undeclared lifetime
15+
| |
16+
| help: consider introducing lifetime `'a` here: `<'a>`
17+
|
18+
= help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes
19+
20+
error[E0261]: use of undeclared lifetime name `'a`
21+
--> $DIR/issue-67510.rs:8:26
22+
|
23+
LL | fn f(x: Box<dyn X<Y<'a>=&'a ()>>) {}
24+
| - ^^ undeclared lifetime
25+
| |
26+
| help: consider introducing lifetime `'a` here: `<'a>`
27+
|
28+
= help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes
29+
30+
error: aborting due to 2 previous errors; 1 warning emitted
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For more information about this error, try `rustc --explain E0261`.

‎src/test/ui/generic-associated-types/issue-68648-1.rs

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// check-pass
2+
3+
#![feature(generic_associated_types)]
4+
//~^ WARNING: the feature `generic_associated_types` is incomplete
5+
6+
7+
trait Fun {
8+
type F<'a>;
9+
10+
fn identity<'a>(t: Self::F<'a>) -> Self::F<'a> { t }
11+
}
12+
13+
impl <T> Fun for T {
14+
type F<'a> = Self;
15+
}
16+
17+
fn bug<'a, T: for<'b> Fun<F<'b> = T>>(t: T) -> T::F<'a> {
18+
T::identity(t)
19+
}
20+
21+
22+
fn main() {
23+
let x = 10;
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25+
bug(x);
26+
}

‎src/test/ui/generic-associated-types/issue-68648-1.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
2+
--> $DIR/issue-68648-1.rs:3:12
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|
4+
LL | #![feature(generic_associated_types)]
5+
| ^^^^^^^^^^^^^^^^^^^^^^^^
6+
|
7+
= note: `#[warn(incomplete_features)]` on by default
8+
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
9+
10+
warning: 1 warning emitted
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