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Diffstat (limited to 'third_party/rust/uuid/src/builder/error.rs')
-rw-r--r-- | third_party/rust/uuid/src/builder/error.rs | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/third_party/rust/uuid/src/builder/error.rs b/third_party/rust/uuid/src/builder/error.rs new file mode 100644 index 0000000000..2c42798f66 --- /dev/null +++ b/third_party/rust/uuid/src/builder/error.rs @@ -0,0 +1,52 @@ +use crate::std::fmt; + +/// The error that can occur when creating a [`Uuid`]. +/// +/// [`Uuid`]: struct.Uuid.html +#[derive(Clone, Debug, Eq, Hash, PartialEq)] +pub(crate) struct Error { + expected: usize, + found: usize, +} + +impl Error { + /// The expected number of bytes. + #[inline] + const fn expected(&self) -> usize { + self.expected + } + + /// The number of bytes found. + #[inline] + const fn found(&self) -> usize { + self.found + } + + /// Create a new [`UuidError`]. + /// + /// [`UuidError`]: struct.UuidError.html + #[inline] + pub(crate) const fn new(expected: usize, found: usize) -> Self { + Error { expected, found } + } +} + +impl fmt::Display for Error { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + write!( + f, + "invalid bytes length: expected {}, found {}", + self.expected(), + self.found() + ) + } +} + +#[cfg(feature = "std")] +mod std_support { + use super::*; + + use crate::std::error; + + impl error::Error for Error {} +} |