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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:41:41 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:41:41 +0000 |
commit | 10ee2acdd26a7f1298c6f6d6b7af9b469fe29b87 (patch) | |
tree | bdffd5d80c26cf4a7a518281a204be1ace85b4c1 /vendor/arrayvec-0.5.2/src/errors.rs | |
parent | Releasing progress-linux version 1.70.0+dfsg1-9~progress7.99u1. (diff) | |
download | rustc-10ee2acdd26a7f1298c6f6d6b7af9b469fe29b87.tar.xz rustc-10ee2acdd26a7f1298c6f6d6b7af9b469fe29b87.zip |
Merging upstream version 1.70.0+dfsg2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/arrayvec-0.5.2/src/errors.rs')
-rw-r--r-- | vendor/arrayvec-0.5.2/src/errors.rs | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/arrayvec-0.5.2/src/errors.rs b/vendor/arrayvec-0.5.2/src/errors.rs new file mode 100644 index 000000000..380742a80 --- /dev/null +++ b/vendor/arrayvec-0.5.2/src/errors.rs @@ -0,0 +1,49 @@ +use std::fmt; +#[cfg(feature="std")] +use std::any::Any; +#[cfg(feature="std")] +use std::error::Error; + +/// Error value indicating insufficient capacity +#[derive(Clone, Copy, Eq, Ord, PartialEq, PartialOrd)] +pub struct CapacityError<T = ()> { + element: T, +} + +impl<T> CapacityError<T> { + /// Create a new `CapacityError` from `element`. + pub fn new(element: T) -> CapacityError<T> { + CapacityError { + element: element, + } + } + + /// Extract the overflowing element + pub fn element(self) -> T { + self.element + } + + /// Convert into a `CapacityError` that does not carry an element. + pub fn simplify(self) -> CapacityError { + CapacityError { element: () } + } +} + +const CAPERROR: &'static str = "insufficient capacity"; + +#[cfg(feature="std")] +/// Requires `features="std"`. +impl<T: Any> Error for CapacityError<T> {} + +impl<T> fmt::Display for CapacityError<T> { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + write!(f, "{}", CAPERROR) + } +} + +impl<T> fmt::Debug for CapacityError<T> { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + write!(f, "{}: {}", "CapacityError", CAPERROR) + } +} + |