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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/type-alias-impl-trait/issue-52843-closure-constrain.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/type-alias-impl-trait/issue-52843-closure-constrain.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/issue-52843-closure-constrain.rs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/issue-52843-closure-constrain.rs b/tests/ui/type-alias-impl-trait/issue-52843-closure-constrain.rs new file mode 100644 index 000000000..50eeff0b1 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/issue-52843-closure-constrain.rs @@ -0,0 +1,13 @@ +// Checks to ensure that we properly detect when a closure constrains an opaque type + +#![feature(type_alias_impl_trait)] + +use std::fmt::Debug; + +fn main() { + type Opaque = impl Debug; + fn _unused() -> Opaque { String::new() } + let null = || -> Opaque { 0 }; + //~^ ERROR: concrete type differs from previous defining opaque type use + println!("{:?}", null()); +} |