diff options
Diffstat (limited to 'vendor/thiserror/src/aserror.rs')
-rw-r--r-- | vendor/thiserror/src/aserror.rs | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/vendor/thiserror/src/aserror.rs b/vendor/thiserror/src/aserror.rs new file mode 100644 index 0000000..54fc6f1 --- /dev/null +++ b/vendor/thiserror/src/aserror.rs @@ -0,0 +1,50 @@ +use std::error::Error; +use std::panic::UnwindSafe; + +#[doc(hidden)] +pub trait AsDynError<'a>: Sealed { + fn as_dyn_error(&self) -> &(dyn Error + 'a); +} + +impl<'a, T: Error + 'a> AsDynError<'a> for T { + #[inline] + fn as_dyn_error(&self) -> &(dyn Error + 'a) { + self + } +} + +impl<'a> AsDynError<'a> for dyn Error + 'a { + #[inline] + fn as_dyn_error(&self) -> &(dyn Error + 'a) { + self + } +} + +impl<'a> AsDynError<'a> for dyn Error + Send + 'a { + #[inline] + fn as_dyn_error(&self) -> &(dyn Error + 'a) { + self + } +} + +impl<'a> AsDynError<'a> for dyn Error + Send + Sync + 'a { + #[inline] + fn as_dyn_error(&self) -> &(dyn Error + 'a) { + self + } +} + +impl<'a> AsDynError<'a> for dyn Error + Send + Sync + UnwindSafe + 'a { + #[inline] + fn as_dyn_error(&self) -> &(dyn Error + 'a) { + self + } +} + +#[doc(hidden)] +pub trait Sealed {} +impl<'a, T: Error + 'a> Sealed for T {} +impl<'a> Sealed for dyn Error + 'a {} +impl<'a> Sealed for dyn Error + Send + 'a {} +impl<'a> Sealed for dyn Error + Send + Sync + 'a {} +impl<'a> Sealed for dyn Error + Send + Sync + UnwindSafe + 'a {} |