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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/issues/issue-28550.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/issues/issue-28550.rs')
-rw-r--r-- | tests/ui/issues/issue-28550.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-28550.rs b/tests/ui/issues/issue-28550.rs new file mode 100644 index 000000000..95583f805 --- /dev/null +++ b/tests/ui/issues/issue-28550.rs @@ -0,0 +1,16 @@ +// run-pass +struct A<F: FnOnce()->T,T>(F::Output); +struct B<F: FnOnce()->T,T>(A<F,T>); + +// Removing Option causes it to compile. +fn foo<T,F: FnOnce()->T>(f: F) -> Option<B<F,T>> { + Some(B(A(f()))) +} + +fn main() { + let v = (|| foo(||4))(); + match v { + Some(B(A(4))) => {}, + _ => unreachable!() + } +} |