diff options
Diffstat (limited to 'library/std/src/error.rs')
| -rw-r--r-- | library/std/src/error.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/library/std/src/error.rs b/library/std/src/error.rs index c3cb71a5dee..4fb94908c80 100644 --- a/library/std/src/error.rs +++ b/library/std/src/error.rs @@ -516,6 +516,14 @@ impl<T: Error> Error for Box<T> { } } +#[unstable(feature = "thin_box", issue = "92791")] +impl<T: ?Sized + crate::error::Error> crate::error::Error for crate::boxed::ThinBox<T> { + fn source(&self) -> Option<&(dyn crate::error::Error + 'static)> { + use core::ops::Deref; + self.deref().source() + } +} + #[stable(feature = "error_by_ref", since = "1.51.0")] impl<'a, T: Error + ?Sized> Error for &'a T { #[allow(deprecated, deprecated_in_future)] |