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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.rs')
-rw-r--r-- | src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.rs | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.rs b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.rs new file mode 100644 index 000000000..0a1b29de1 --- /dev/null +++ b/src/test/ui/associated-types/associated-types-project-from-hrtb-in-trait-method.rs @@ -0,0 +1,38 @@ +#![allow(dead_code)] +// run-rustfix +// Check projection of an associated type out of a higher-ranked trait-bound +// in the context of a method definition in a trait. + +pub trait Foo<T> { + type A; + + fn get(&self, t: T) -> Self::A; +} + +trait SomeTrait<I : for<'x> Foo<&'x isize>> { + fn some_method(&self, arg: I::A); + //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters +} + +trait AnotherTrait<I : for<'x> Foo<&'x isize>> { + fn some_method(&self, arg: <I as Foo<&isize>>::A); +} + +trait YetAnotherTrait<I : for<'x> Foo<&'x isize>> { + fn some_method<'a>(&self, arg: <I as Foo<&'a isize>>::A); +} + +trait Banana<'a> { + type Assoc: Default; +} + +struct Peach<X>(std::marker::PhantomData<X>); + +impl<X: for<'a> Banana<'a>> Peach<X> { + fn mango(&self) -> X::Assoc { + //~^ ERROR cannot use the associated type of a trait with uninferred generic parameters + Default::default() + } +} + +pub fn main() {} |