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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
commit | 246f239d9f40f633160f0c18f87a20922d4e77bb (patch) | |
tree | 5a88572663584b3d4d28e5a20e10abab1be40884 /library/alloc/src/boxed/thin.rs | |
parent | Releasing progress-linux version 1.64.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.tar.xz rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.zip |
Merging debian version 1.65.0+dfsg1-2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | library/alloc/src/boxed/thin.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/library/alloc/src/boxed/thin.rs b/library/alloc/src/boxed/thin.rs index 649ccfcaa..0a20c74b0 100644 --- a/library/alloc/src/boxed/thin.rs +++ b/library/alloc/src/boxed/thin.rs @@ -2,6 +2,8 @@ // https://github.com/matthieu-m/rfc2580/blob/b58d1d3cba0d4b5e859d3617ea2d0943aaa31329/examples/thin.rs // by matthieu-m use crate::alloc::{self, Layout, LayoutError}; +#[cfg(not(bootstrap))] +use core::error::Error; use core::fmt::{self, Debug, Display, Formatter}; use core::marker::PhantomData; #[cfg(not(no_global_oom_handling))] @@ -271,3 +273,11 @@ impl<H> WithHeader<H> { Layout::new::<H>().extend(value_layout) } } + +#[cfg(not(bootstrap))] +#[unstable(feature = "thin_box", issue = "92791")] +impl<T: ?Sized + Error> Error for ThinBox<T> { + fn source(&self) -> Option<&(dyn Error + 'static)> { + self.deref().source() + } +} |