diff options
Diffstat (limited to 'tests/ui/impl-trait/in-trait')
10 files changed, 54 insertions, 16 deletions
diff --git a/tests/ui/impl-trait/in-trait/deep-match.stderr b/tests/ui/impl-trait/in-trait/deep-match.stderr index 034ee5ea4..3eba419c0 100644 --- a/tests/ui/impl-trait/in-trait/deep-match.stderr +++ b/tests/ui/impl-trait/in-trait/deep-match.stderr @@ -4,7 +4,7 @@ error[E0053]: method `bar` has an incompatible return type for trait LL | fn bar() -> i32 { 0 } | ^^^ | | - | expected struct `Wrapper`, found `i32` + | expected `Wrapper<_>`, found `i32` | return type in trait | = note: expected struct `Wrapper<_>` diff --git a/tests/ui/impl-trait/in-trait/default-body-type-err-2.stderr b/tests/ui/impl-trait/in-trait/default-body-type-err-2.stderr index 142b1bff1..cc3bdf0e5 100644 --- a/tests/ui/impl-trait/in-trait/default-body-type-err-2.stderr +++ b/tests/ui/impl-trait/in-trait/default-body-type-err-2.stderr @@ -4,7 +4,7 @@ error[E0308]: mismatched types LL | 42 | ^^- help: try using a conversion method: `.to_string()` | | - | expected struct `String`, found integer + | expected `String`, found integer error: aborting due to previous error diff --git a/tests/ui/impl-trait/in-trait/default-body-type-err.stderr b/tests/ui/impl-trait/in-trait/default-body-type-err.stderr index 461247a3e..4742eb37d 100644 --- a/tests/ui/impl-trait/in-trait/default-body-type-err.stderr +++ b/tests/ui/impl-trait/in-trait/default-body-type-err.stderr @@ -2,7 +2,7 @@ error[E0271]: type mismatch resolving `<&i32 as Deref>::Target == String` --> $DIR/default-body-type-err.rs:7:22 | LL | fn lol(&self) -> impl Deref<Target = String> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found struct `String` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found `String` LL | LL | &1i32 | ----- return type was inferred to be `&i32` here diff --git a/tests/ui/impl-trait/in-trait/default-method-constraint.rs b/tests/ui/impl-trait/in-trait/default-method-constraint.rs new file mode 100644 index 000000000..8c50cc295 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/default-method-constraint.rs @@ -0,0 +1,17 @@ +// check-pass + +// 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 { + if x { + let _: u32 = Self::bar(!x); + } + Default::default() + } +} + +fn main() {} diff --git a/tests/ui/impl-trait/in-trait/default-method-constraint.stderr b/tests/ui/impl-trait/in-trait/default-method-constraint.stderr new file mode 100644 index 000000000..5e18605aa --- /dev/null +++ b/tests/ui/impl-trait/in-trait/default-method-constraint.stderr @@ -0,0 +1,11 @@ +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: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/method-signature-matches.stderr b/tests/ui/impl-trait/in-trait/method-signature-matches.stderr index 4dfd77222..3ec62020e 100644 --- a/tests/ui/impl-trait/in-trait/method-signature-matches.stderr +++ b/tests/ui/impl-trait/in-trait/method-signature-matches.stderr @@ -24,16 +24,6 @@ LL | async fn owo(_: u8) {} | expected `()`, found `u8` | help: change the parameter type to match the trait: `()` | -note: while checking the return type of the `async fn` - --> $DIR/method-signature-matches.rs:20:25 - | -LL | async fn owo(_: u8) {} - | ^ checked the `Output` of this `async fn`, expected opaque type -note: while checking the return type of the `async fn` - --> $DIR/method-signature-matches.rs:20:25 - | -LL | async fn owo(_: u8) {} - | ^ checked the `Output` of this `async fn`, found opaque type note: type in trait --> $DIR/method-signature-matches.rs:16:21 | diff --git a/tests/ui/impl-trait/in-trait/new-lowering-strategy/simple-trait.rs b/tests/ui/impl-trait/in-trait/new-lowering-strategy/simple-trait.rs new file mode 100644 index 000000000..dfce973d7 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/new-lowering-strategy/simple-trait.rs @@ -0,0 +1,11 @@ +// check-pass +// compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty + +#![feature(return_position_impl_trait_in_trait)] +#![allow(incomplete_features)] + +trait Foo { + fn foo() -> impl Sized; +} + +fn main() {} diff --git a/tests/ui/impl-trait/in-trait/signature-mismatch.stderr b/tests/ui/impl-trait/in-trait/signature-mismatch.stderr index e10566017..c4fcaabe4 100644 --- a/tests/ui/impl-trait/in-trait/signature-mismatch.stderr +++ b/tests/ui/impl-trait/in-trait/signature-mismatch.stderr @@ -2,12 +2,12 @@ error: `impl` item signature doesn't match `trait` item signature --> $DIR/signature-mismatch.rs:15:5 | LL | fn async_fn(&self, buff: &[u8]) -> impl Future<Output = Vec<u8>>; - | ----------------------------------------------------------------- expected `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + 'static` + | ----------------------------------------------------------------- expected `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + '3` ... LL | fn async_fn<'a>(&self, buff: &'a [u8]) -> impl Future<Output = Vec<u8>> + 'a { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ found `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + '2` | - = note: expected signature `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + 'static` + = note: expected signature `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + '3` found signature `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + '2` = help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait` = help: verify the lifetime relationships in the `trait` and `impl` between the `self` argument, the other inputs and its output diff --git a/tests/ui/impl-trait/in-trait/specialization-broken.rs b/tests/ui/impl-trait/in-trait/specialization-broken.rs index 9d27d3710..2fcffdf3f 100644 --- a/tests/ui/impl-trait/in-trait/specialization-broken.rs +++ b/tests/ui/impl-trait/in-trait/specialization-broken.rs @@ -15,6 +15,7 @@ where { fn bar(&self) -> U { //~^ ERROR method `bar` has an incompatible type for trait + //~| ERROR method with return-position `impl Trait` in trait cannot be specialized *self } } diff --git a/tests/ui/impl-trait/in-trait/specialization-broken.stderr b/tests/ui/impl-trait/in-trait/specialization-broken.stderr index 37cfd7449..dc621d6b8 100644 --- a/tests/ui/impl-trait/in-trait/specialization-broken.stderr +++ b/tests/ui/impl-trait/in-trait/specialization-broken.stderr @@ -18,6 +18,14 @@ LL | fn bar(&self) -> impl Sized; = note: expected signature `fn(&U) -> impl Sized` found signature `fn(&U) -> U` -error: aborting due to previous error +error: method with return-position `impl Trait` in trait cannot be specialized + --> $DIR/specialization-broken.rs:16:5 + | +LL | fn bar(&self) -> U { + | ^^^^^^^^^^^^^^^^^^ + | + = note: specialization behaves in inconsistent and surprising ways with `#![feature(return_position_impl_trait_in_trait)]`, and for now is disallowed + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0053`. |