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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/issues/issue-70746.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 '')
-rw-r--r-- | src/test/ui/issues/issue-70746.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-70746.rs b/src/test/ui/issues/issue-70746.rs new file mode 100644 index 000000000..8930c15f5 --- /dev/null +++ b/src/test/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); +} |