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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 /vendor/anyhow/src/wrapper.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 'vendor/anyhow/src/wrapper.rs')
-rw-r--r-- | vendor/anyhow/src/wrapper.rs | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/vendor/anyhow/src/wrapper.rs b/vendor/anyhow/src/wrapper.rs new file mode 100644 index 000000000..3ebe51a88 --- /dev/null +++ b/vendor/anyhow/src/wrapper.rs @@ -0,0 +1,78 @@ +use crate::StdError; +use core::fmt::{self, Debug, Display}; + +#[repr(transparent)] +pub struct MessageError<M>(pub M); + +impl<M> Debug for MessageError<M> +where + M: Display + Debug, +{ + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + Debug::fmt(&self.0, f) + } +} + +impl<M> Display for MessageError<M> +where + M: Display + Debug, +{ + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + Display::fmt(&self.0, f) + } +} + +impl<M> StdError for MessageError<M> where M: Display + Debug + 'static {} + +#[repr(transparent)] +pub struct DisplayError<M>(pub M); + +impl<M> Debug for DisplayError<M> +where + M: Display, +{ + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + Display::fmt(&self.0, f) + } +} + +impl<M> Display for DisplayError<M> +where + M: Display, +{ + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + Display::fmt(&self.0, f) + } +} + +impl<M> StdError for DisplayError<M> where M: Display + 'static {} + +#[cfg(feature = "std")] +#[repr(transparent)] +pub struct BoxedError(pub Box<dyn StdError + Send + Sync>); + +#[cfg(feature = "std")] +impl Debug for BoxedError { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + Debug::fmt(&self.0, f) + } +} + +#[cfg(feature = "std")] +impl Display for BoxedError { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + Display::fmt(&self.0, f) + } +} + +#[cfg(feature = "std")] +impl StdError for BoxedError { + #[cfg(backtrace)] + fn backtrace(&self) -> Option<&crate::backtrace::Backtrace> { + self.0.backtrace() + } + + fn source(&self) -> Option<&(dyn StdError + 'static)> { + self.0.source() + } +} |