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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/arrayvec/src/errors.rs
parentInitial commit. (diff)
downloadrustc-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/arrayvec/src/errors.rs')
-rw-r--r--vendor/arrayvec/src/errors.rs49
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/arrayvec/src/errors.rs b/vendor/arrayvec/src/errors.rs
new file mode 100644
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+++ b/vendor/arrayvec/src/errors.rs
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+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 const 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)
+ }
+}
+