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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/generic-associated-types/issue-95305.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/generic-associated-types/issue-95305.rs')
-rw-r--r-- | src/test/ui/generic-associated-types/issue-95305.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/generic-associated-types/issue-95305.rs b/src/test/ui/generic-associated-types/issue-95305.rs new file mode 100644 index 000000000..e2f1710fa --- /dev/null +++ b/src/test/ui/generic-associated-types/issue-95305.rs @@ -0,0 +1,20 @@ +// It's not yet clear how '_ and GATs should interact. +// Forbid it for now but proper support might be added +// at some point in the future. + +#![feature(generic_associated_types)] +#![feature(anonymous_lifetime_in_impl_trait)] +trait Foo { + type Item<'a>; +} + +fn foo(x: &impl Foo<Item<'_> = u32>) { } + //~^ ERROR `'_` cannot be used here [E0637] + +// Ok: the anonymous lifetime is bound to the function. +fn bar(x: &impl for<'a> Foo<Item<'a> = &'_ u32>) { } + +// Ok: the anonymous lifetime is bound to the function. +fn baz(x: &impl for<'a> Foo<Item<'a> = &u32>) { } + +fn main() {} |