diff options
Diffstat (limited to 'tests/ui/impl-trait/in-trait')
18 files changed, 36 insertions, 102 deletions
diff --git a/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs b/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs index ffeabe5c2..776006124 100644 --- a/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs +++ b/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs @@ -5,10 +5,10 @@ use std::ops::Deref; pub trait Foo { - fn bar() -> impl Deref<Target = impl Sized>; + fn bar(self) -> impl Deref<Target = impl Sized>; } pub struct Foreign; impl Foo for Foreign { - fn bar() -> &'static () { &() } + fn bar(self) -> &'static () { &() } } diff --git a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.current.stderr b/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.current.stderr deleted file mode 100644 index 05c025cc1..000000000 --- a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.current.stderr +++ /dev/null @@ -1,11 +0,0 @@ -warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/box-coerce-span-in-default.rs:5:12 - | -LL | #![feature(return_position_impl_trait_in_trait)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information - = note: `#[warn(incomplete_features)]` on by default - -warning: 1 warning emitted - diff --git a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.next.stderr b/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.next.stderr deleted file mode 100644 index 05c025cc1..000000000 --- a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.next.stderr +++ /dev/null @@ -1,11 +0,0 @@ -warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/box-coerce-span-in-default.rs:5:12 - | -LL | #![feature(return_position_impl_trait_in_trait)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information - = note: `#[warn(incomplete_features)]` on by default - -warning: 1 warning emitted - diff --git a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.rs b/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.rs index 163bb4fcf..f5290a5f4 100644 --- a/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.rs +++ b/tests/ui/impl-trait/in-trait/box-coerce-span-in-default.rs @@ -3,7 +3,6 @@ // revisions: current next #![feature(return_position_impl_trait_in_trait)] -//~^ WARN the feature `return_position_impl_trait_in_trait` is incomplete struct TestA {} struct TestB {} diff --git a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.current.stderr b/tests/ui/impl-trait/in-trait/default-method-binder-shifting.current.stderr deleted file mode 100644 index a0c0589b9..000000000 --- a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.current.stderr +++ /dev/null @@ -1,11 +0,0 @@ -warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/default-method-binder-shifting.rs:5:12 - | -LL | #![feature(return_position_impl_trait_in_trait)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information - = note: `#[warn(incomplete_features)]` on by default - -warning: 1 warning emitted - diff --git a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.next.stderr b/tests/ui/impl-trait/in-trait/default-method-binder-shifting.next.stderr deleted file mode 100644 index a0c0589b9..000000000 --- a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.next.stderr +++ /dev/null @@ -1,11 +0,0 @@ -warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/default-method-binder-shifting.rs:5:12 - | -LL | #![feature(return_position_impl_trait_in_trait)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information - = note: `#[warn(incomplete_features)]` on by default - -warning: 1 warning emitted - diff --git a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.rs b/tests/ui/impl-trait/in-trait/default-method-binder-shifting.rs index de82544f2..187039f44 100644 --- a/tests/ui/impl-trait/in-trait/default-method-binder-shifting.rs +++ b/tests/ui/impl-trait/in-trait/default-method-binder-shifting.rs @@ -3,7 +3,6 @@ // revisions: current next #![feature(return_position_impl_trait_in_trait)] -//~^ WARN the feature `return_position_impl_trait_in_trait` is incomplete trait Trait { type Type; diff --git a/tests/ui/impl-trait/in-trait/default-method-constraint.current.stderr b/tests/ui/impl-trait/in-trait/default-method-constraint.current.stderr deleted file mode 100644 index 7bb79911f..000000000 --- a/tests/ui/impl-trait/in-trait/default-method-constraint.current.stderr +++ /dev/null @@ -1,11 +0,0 @@ -warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/default-method-constraint.rs:7:12 - | -LL | #![feature(return_position_impl_trait_in_trait)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information - = note: `#[warn(incomplete_features)]` on by default - -warning: 1 warning emitted - diff --git a/tests/ui/impl-trait/in-trait/default-method-constraint.next.stderr b/tests/ui/impl-trait/in-trait/default-method-constraint.next.stderr deleted file mode 100644 index 7bb79911f..000000000 --- a/tests/ui/impl-trait/in-trait/default-method-constraint.next.stderr +++ /dev/null @@ -1,11 +0,0 @@ -warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/default-method-constraint.rs:7:12 - | -LL | #![feature(return_position_impl_trait_in_trait)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information - = note: `#[warn(incomplete_features)]` on by default - -warning: 1 warning emitted - diff --git a/tests/ui/impl-trait/in-trait/default-method-constraint.rs b/tests/ui/impl-trait/in-trait/default-method-constraint.rs index e85fe3c86..4f0bf2e7d 100644 --- a/tests/ui/impl-trait/in-trait/default-method-constraint.rs +++ b/tests/ui/impl-trait/in-trait/default-method-constraint.rs @@ -5,7 +5,6 @@ // This didn't work in the previous default RPITIT method hack attempt #![feature(return_position_impl_trait_in_trait)] -//~^ WARN the feature `return_position_impl_trait_in_trait` is incomplete trait Foo { fn bar(x: bool) -> impl Sized { diff --git a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.current.stderr b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.current.stderr index b8a793e1a..d4d0124a6 100644 --- a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.current.stderr +++ b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.current.stderr @@ -1,14 +1,5 @@ -warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/dont-project-to-rpitit-with-no-value.rs:4:12 - | -LL | #![feature(return_position_impl_trait_in_trait)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information - = note: `#[warn(incomplete_features)]` on by default - error[E0046]: not all trait items implemented, missing: `foo` - --> $DIR/dont-project-to-rpitit-with-no-value.rs:12:1 + --> $DIR/dont-project-to-rpitit-with-no-value.rs:11:1 | LL | fn foo(&self) -> impl Sized; | ---------------------------- `foo` from trait @@ -16,6 +7,6 @@ LL | fn foo(&self) -> impl Sized; LL | impl MyTrait for i32 { | ^^^^^^^^^^^^^^^^^^^^ missing `foo` in implementation -error: aborting due to previous error; 1 warning emitted +error: aborting due to previous error For more information about this error, try `rustc --explain E0046`. diff --git a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.next.stderr b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.next.stderr index b8a793e1a..d4d0124a6 100644 --- a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.next.stderr +++ b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.next.stderr @@ -1,14 +1,5 @@ -warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/dont-project-to-rpitit-with-no-value.rs:4:12 - | -LL | #![feature(return_position_impl_trait_in_trait)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information - = note: `#[warn(incomplete_features)]` on by default - error[E0046]: not all trait items implemented, missing: `foo` - --> $DIR/dont-project-to-rpitit-with-no-value.rs:12:1 + --> $DIR/dont-project-to-rpitit-with-no-value.rs:11:1 | LL | fn foo(&self) -> impl Sized; | ---------------------------- `foo` from trait @@ -16,6 +7,6 @@ LL | fn foo(&self) -> impl Sized; LL | impl MyTrait for i32 { | ^^^^^^^^^^^^^^^^^^^^ missing `foo` in implementation -error: aborting due to previous error; 1 warning emitted +error: aborting due to previous error For more information about this error, try `rustc --explain E0046`. diff --git a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.rs b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.rs index 8329ce1f8..4d50b8c92 100644 --- a/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.rs +++ b/tests/ui/impl-trait/in-trait/dont-project-to-rpitit-with-no-value.rs @@ -2,7 +2,6 @@ // revisions: current next #![feature(return_position_impl_trait_in_trait)] -//~^ WARN the feature `return_position_impl_trait_in_trait` is incomplete trait MyTrait { fn foo(&self) -> impl Sized; diff --git a/tests/ui/impl-trait/in-trait/foreign-dyn-error.rs b/tests/ui/impl-trait/in-trait/foreign-dyn-error.rs new file mode 100644 index 000000000..ecb5e62c4 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/foreign-dyn-error.rs @@ -0,0 +1,8 @@ +// aux-build: rpitit.rs + +extern crate rpitit; + +fn main() { + let _: &dyn rpitit::Foo = todo!(); + //~^ ERROR the trait `Foo` cannot be made into an object +} diff --git a/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr b/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr new file mode 100644 index 000000000..6eef392c0 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/foreign-dyn-error.stderr @@ -0,0 +1,15 @@ +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/foreign-dyn-error.rs:6:12 + | +LL | let _: &dyn rpitit::Foo = todo!(); + | ^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/auxiliary/rpitit.rs:8:21 + | +LL | fn bar(self) -> impl Deref<Target = impl Sized>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait cannot be made into an object because method `bar` references an `impl Trait` type in its return type + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/impl-trait/in-trait/foreign.rs b/tests/ui/impl-trait/in-trait/foreign.rs index f4972d948..98417b343 100644 --- a/tests/ui/impl-trait/in-trait/foreign.rs +++ b/tests/ui/impl-trait/in-trait/foreign.rs @@ -5,17 +5,18 @@ extern crate rpitit; +use rpitit::{Foo, Foreign}; use std::sync::Arc; // Implement an RPITIT from another crate. struct Local; -impl rpitit::Foo for Local { - fn bar() -> Arc<String> { Arc::new(String::new()) } +impl Foo for Local { + fn bar(self) -> Arc<String> { Arc::new(String::new()) } } fn main() { // Witness an RPITIT from another crate. - let &() = <rpitit::Foreign as rpitit::Foo>::bar(); + let &() = Foreign.bar(); - let x: Arc<String> = <Local as rpitit::Foo>::bar(); + let x: Arc<String> = Local.bar(); } diff --git a/tests/ui/impl-trait/in-trait/object-safety.current.stderr b/tests/ui/impl-trait/in-trait/object-safety.current.stderr index b7f2b019a..2c340a023 100644 --- a/tests/ui/impl-trait/in-trait/object-safety.current.stderr +++ b/tests/ui/impl-trait/in-trait/object-safety.current.stderr @@ -42,8 +42,7 @@ LL | trait Foo { LL | fn baz(&self) -> impl Debug; | ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type = help: consider moving `baz` to another trait - = note: required for `Box<u32>` to implement `CoerceUnsized<Box<dyn Foo>>` - = note: required by cast to type `Box<dyn Foo>` + = note: required for the cast from `Box<u32>` to `Box<dyn Foo>` error: aborting due to 3 previous errors diff --git a/tests/ui/impl-trait/in-trait/object-safety.next.stderr b/tests/ui/impl-trait/in-trait/object-safety.next.stderr index b7f2b019a..2c340a023 100644 --- a/tests/ui/impl-trait/in-trait/object-safety.next.stderr +++ b/tests/ui/impl-trait/in-trait/object-safety.next.stderr @@ -42,8 +42,7 @@ LL | trait Foo { LL | fn baz(&self) -> impl Debug; | ^^^^^^^^^^ ...because method `baz` references an `impl Trait` type in its return type = help: consider moving `baz` to another trait - = note: required for `Box<u32>` to implement `CoerceUnsized<Box<dyn Foo>>` - = note: required by cast to type `Box<dyn Foo>` + = note: required for the cast from `Box<u32>` to `Box<dyn Foo>` error: aborting due to 3 previous errors |