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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/ui/issues/issue-70746.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/issues/issue-70746.rs')
-rw-r--r-- | tests/ui/issues/issue-70746.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-70746.rs b/tests/ui/issues/issue-70746.rs new file mode 100644 index 000000000..8930c15f5 --- /dev/null +++ b/tests/ui/issues/issue-70746.rs @@ -0,0 +1,29 @@ +// check-pass + +pub trait Trait1 { + type C; +} + +struct T1; +impl Trait1 for T1 { + type C = usize; +} +pub trait Callback<T: Trait1>: FnMut(<T as Trait1>::C) {} +impl<T: Trait1, F: FnMut(<T as Trait1>::C)> Callback<T> for F {} + +pub struct State<T: Trait1> { + callback: Option<Box<dyn Callback<T>>>, +} +impl<T: Trait1> State<T> { + fn new() -> Self { + Self { callback: None } + } + fn test_cb(&mut self, d: <T as Trait1>::C) { + (self.callback.as_mut().unwrap())(d) + } +} + +fn main() { + let mut s = State::<T1>::new(); + s.test_cb(1); +} |