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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-78113-lifetime-mismatch-dyn-trait-box.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-78113-lifetime-mismatch-dyn-trait-box.rs')
-rw-r--r-- | src/test/ui/generic-associated-types/issue-78113-lifetime-mismatch-dyn-trait-box.rs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/test/ui/generic-associated-types/issue-78113-lifetime-mismatch-dyn-trait-box.rs b/src/test/ui/generic-associated-types/issue-78113-lifetime-mismatch-dyn-trait-box.rs new file mode 100644 index 000000000..850d83be6 --- /dev/null +++ b/src/test/ui/generic-associated-types/issue-78113-lifetime-mismatch-dyn-trait-box.rs @@ -0,0 +1,40 @@ +// Test for diagnostics when we have mismatched lifetime due to implict 'static lifetime in GATs + +// check-fail + +#![feature(generic_associated_types)] + +pub trait A {} +impl A for &dyn A {} +impl A for Box<dyn A> {} + +pub trait B { + type T<'a>: A; +} + +impl B for () { + // `'a` doesn't match implicit `'static`: suggest `'_` + type T<'a> = Box<dyn A + 'a>; //~ incompatible lifetime on type +} + +trait C {} +impl C for Box<dyn A + 'static> {} +pub trait D { + type T<'a>: C; +} +impl D for () { + // `'a` doesn't match explicit `'static`: we *should* suggest removing `'static` + type T<'a> = Box<dyn A + 'a>; //~ incompatible lifetime on type +} + +trait E {} +impl E for (Box<dyn A>, Box<dyn A>) {} +pub trait F { + type T<'a>: E; +} +impl F for () { + // `'a` doesn't match explicit `'static`: suggest `'_` + type T<'a> = (Box<dyn A + 'a>, Box<dyn A + 'a>); //~ incompatible lifetime on type +} + +fn main() {} |