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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/impl-trait/issues/issue-57979-deeply-nested-impl-trait-in-assoc-proj.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/impl-trait/issues/issue-57979-deeply-nested-impl-trait-in-assoc-proj.rs')
-rw-r--r-- | tests/ui/impl-trait/issues/issue-57979-deeply-nested-impl-trait-in-assoc-proj.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/issues/issue-57979-deeply-nested-impl-trait-in-assoc-proj.rs b/tests/ui/impl-trait/issues/issue-57979-deeply-nested-impl-trait-in-assoc-proj.rs new file mode 100644 index 000000000..0daec3305 --- /dev/null +++ b/tests/ui/impl-trait/issues/issue-57979-deeply-nested-impl-trait-in-assoc-proj.rs @@ -0,0 +1,17 @@ +// rust-lang/rust#57979 : the initial support for `impl Trait` didn't +// properly check syntax hidden behind an associated type projection, +// but it did catch *some cases*. This is checking that we continue to +// properly emit errors for those. +// +// issue-57979-nested-impl-trait-in-assoc-proj.rs shows the main case +// that we were previously failing to catch. + +struct Deeper<T>(T); + +pub trait Foo<T> { } +pub trait Bar { } +pub trait Quux { type Assoc; } +pub fn demo(_: impl Quux<Assoc=Deeper<impl Foo<impl Bar>>>) { } +//~^ ERROR nested `impl Trait` is not allowed + +fn main() { } |