1 files changed, 97 insertions, 0 deletions
diff --git a/third_party/rust/time/src/error/parse.rs b/third_party/rust/time/src/error/parse.rs
new file mode 100644
index 0000000000..b90ac74e73
--- /dev/null
+++ b/third_party/rust/time/src/error/parse.rs
@@ -0,0 +1,97 @@
+//! Error that occurred at some stage of parsing
+
+use core::fmt;
+
+use crate::error::{self, ParseFromDescription, TryFromParsed};
+
+/// An error that occurred at some stage of parsing.
+#[allow(variant_size_differences)]
+#[non_exhaustive]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum Parse {
+    #[allow(clippy::missing_docs_in_private_items)]
+    TryFromParsed(TryFromParsed),
+    #[allow(clippy::missing_docs_in_private_items)]
+    ParseFromDescription(ParseFromDescription),
+    /// The input should have ended, but there were characters remaining.
+    #[non_exhaustive]
+    UnexpectedTrailingCharacters,
+}
+
+impl fmt::Display for Parse {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Self::TryFromParsed(err) => err.fmt(f),
+            Self::ParseFromDescription(err) => err.fmt(f),
+            Self::UnexpectedTrailingCharacters => f.write_str("unexpected trailing characters"),
+        }
+    }
+}
+
+#[cfg(feature = "std")]
+impl std::error::Error for Parse {
+    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
+        match self {
+            Self::TryFromParsed(err) => Some(err),
+            Self::ParseFromDescription(err) => Some(err),
+            Self::UnexpectedTrailingCharacters => None,
+        }
+    }
+}
+
+impl From<TryFromParsed> for Parse {
+    fn from(err: TryFromParsed) -> Self {
+        Self::TryFromParsed(err)
+    }
+}
+
+impl TryFrom<Parse> for TryFromParsed {
+    type Error = error::DifferentVariant;
+
+    fn try_from(err: Parse) -> Result<Self, Self::Error> {
+        match err {
+            Parse::TryFromParsed(err) => Ok(err),
+            _ => Err(error::DifferentVariant),
+        }
+    }
+}
+
+impl From<ParseFromDescription> for Parse {
+    fn from(err: ParseFromDescription) -> Self {
+        Self::ParseFromDescription(err)
+    }
+}
+
+impl TryFrom<Parse> for ParseFromDescription {
+    type Error = error::DifferentVariant;
+
+    fn try_from(err: Parse) -> Result<Self, Self::Error> {
+        match err {
+            Parse::ParseFromDescription(err) => Ok(err),
+            _ => Err(error::DifferentVariant),
+        }
+    }
+}
+
+impl From<Parse> for crate::Error {
+    fn from(err: Parse) -> Self {
+        match err {
+            Parse::TryFromParsed(err) => Self::TryFromParsed(err),
+            Parse::ParseFromDescription(err) => Self::ParseFromDescription(err),
+            Parse::UnexpectedTrailingCharacters => Self::UnexpectedTrailingCharacters,
+        }
+    }
+}
+
+impl TryFrom<crate::Error> for Parse {
+    type Error = error::DifferentVariant;
+
+    fn try_from(err: crate::Error) -> Result<Self, Self::Error> {
+        match err {
+            crate::Error::ParseFromDescription(err) => Ok(Self::ParseFromDescription(err)),
+            crate::Error::UnexpectedTrailingCharacters => Ok(Self::UnexpectedTrailingCharacters),
+            crate::Error::TryFromParsed(err) => Ok(Self::TryFromParsed(err)),
+            _ => Err(error::DifferentVariant),
+        }
+    }
+}