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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:41 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:41 +0000 |
commit | 4f9fe856a25ab29345b90e7725509e9ee38a37be (patch) | |
tree | e4ffd8a9374cae7b21f7cbfb352927e0e074aff6 /library/core/src/cell/once.rs | |
parent | Adding upstream version 1.68.2+dfsg1. (diff) | |
download | rustc-4f9fe856a25ab29345b90e7725509e9ee38a37be.tar.xz rustc-4f9fe856a25ab29345b90e7725509e9ee38a37be.zip |
Adding upstream version 1.69.0+dfsg1.upstream/1.69.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | library/core/src/cell/once.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/library/core/src/cell/once.rs b/library/core/src/cell/once.rs index 7757068a4..f74e563f1 100644 --- a/library/core/src/cell/once.rs +++ b/library/core/src/cell/once.rs @@ -298,3 +298,7 @@ impl<T> const From<T> for OnceCell<T> { OnceCell { inner: UnsafeCell::new(Some(value)) } } } + +// Just like for `Cell<T>` this isn't needed, but results in nicer error messages. +#[unstable(feature = "once_cell", issue = "74465")] +impl<T> !Sync for OnceCell<T> {} |