diff --git a/src/test/ui/impl-trait/impl-generic-mismatch.rs b/src/test/ui/impl-trait/impl-generic-mismatch.rs index ba678bb032dcb..fb8bde0d08131 100644 --- a/src/test/ui/impl-trait/impl-generic-mismatch.rs +++ b/src/test/ui/impl-trait/impl-generic-mismatch.rs @@ -18,6 +18,15 @@ impl Bar for () { //~^ Error method `bar` has incompatible signature for trait } +trait Baz { + fn baz(&self, _: &U, _: &T); +} + +impl Baz for () { + fn baz(&self, _: &impl Debug, _: &T) { } + //~^ Error method `baz` has incompatible signature for trait +} + // With non-local trait (#49841): use std::hash::{Hash, Hasher}; diff --git a/src/test/ui/impl-trait/impl-generic-mismatch.stderr b/src/test/ui/impl-trait/impl-generic-mismatch.stderr index 489afd7615f54..542f02d7ec567 100644 --- a/src/test/ui/impl-trait/impl-generic-mismatch.stderr +++ b/src/test/ui/impl-trait/impl-generic-mismatch.stderr @@ -27,8 +27,22 @@ help: try changing the `impl Trait` argument to a generic parameter LL | fn bar(&self, _: &U) { } | ++++++++++ ~ +error[E0643]: method `baz` has incompatible signature for trait + --> $DIR/impl-generic-mismatch.rs:26:33 + | +LL | fn baz(&self, _: &U, _: &T); + | - declaration in trait here +... +LL | fn baz(&self, _: &impl Debug, _: &T) { } + | ^^^^^^^^^^ expected generic parameter, found `impl Trait` + | +help: try changing the `impl Trait` argument to a generic parameter + | +LL | fn baz(&self, _: &T, _: &T) { } + | ~~~~~~~~~~~~~~~~~~~~ ~ + error[E0643]: method `hash` has incompatible signature for trait - --> $DIR/impl-generic-mismatch.rs:28:33 + --> $DIR/impl-generic-mismatch.rs:37:33 | LL | fn hash(&self, hasher: &mut impl Hasher) {} | ^^^^^^^^^^^ expected generic parameter, found `impl Trait` @@ -38,6 +52,6 @@ LL | fn hash(&self, hasher: &mut impl Hasher) {} LL | fn hash(&self, state: &mut H); | - declaration in trait here -error: aborting due to 3 previous errors +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0643`.