1 files changed, 92 insertions, 0 deletions
diff --git a/vendor/time/src/error/format.rs b/vendor/time/src/error/format.rs
new file mode 100644
index 000000000..94d134363
--- /dev/null
+++ b/vendor/time/src/error/format.rs
@@ -0,0 +1,92 @@
+//! Error formatting a struct
+
+use core::fmt;
+use std::io;
+
+use crate::error;
+
+/// An error occurred when formatting.
+#[non_exhaustive]
+#[allow(missing_copy_implementations)]
+#[derive(Debug)]
+pub enum Format {
+    /// The type being formatted does not contain sufficient information to format a component.
+    #[non_exhaustive]
+    InsufficientTypeInformation,
+    /// The component named has a value that cannot be formatted into the requested format.
+    ///
+    /// This variant is only returned when using well-known formats.
+    InvalidComponent(&'static str),
+    /// A value of `std::io::Error` was returned internally.
+    StdIo(io::Error),
+}
+
+impl fmt::Display for Format {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Self::InsufficientTypeInformation => f.write_str(
+                "The type being formatted does not contain sufficient information to format a \
+                 component.",
+            ),
+            Self::InvalidComponent(component) => write!(
+                f,
+                "The {component} component cannot be formatted into the requested format."
+            ),
+            Self::StdIo(err) => err.fmt(f),
+        }
+    }
+}
+
+impl From<io::Error> for Format {
+    fn from(err: io::Error) -> Self {
+        Self::StdIo(err)
+    }
+}
+
+impl TryFrom<Format> for io::Error {
+    type Error = error::DifferentVariant;
+
+    fn try_from(err: Format) -> Result<Self, Self::Error> {
+        match err {
+            Format::StdIo(err) => Ok(err),
+            _ => Err(error::DifferentVariant),
+        }
+    }
+}
+
+#[cfg(feature = "std")]
+impl std::error::Error for Format {
+    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
+        match *self {
+            Self::InsufficientTypeInformation | Self::InvalidComponent(_) => None,
+            Self::StdIo(ref err) => Some(err),
+        }
+    }
+}
+
+impl From<Format> for crate::Error {
+    fn from(original: Format) -> Self {
+        Self::Format(original)
+    }
+}
+
+impl TryFrom<crate::Error> for Format {
+    type Error = error::DifferentVariant;
+
+    fn try_from(err: crate::Error) -> Result<Self, Self::Error> {
+        match err {
+            crate::Error::Format(err) => Ok(err),
+            _ => Err(error::DifferentVariant),
+        }
+    }
+}
+
+#[cfg(feature = "serde")]
+impl Format {
+    /// Obtain an error type for the serializer.
+    #[doc(hidden)] // Exposed only for the `declare_format_string` macro
+    pub fn into_invalid_serde_value<S: serde::Serializer>(self) -> S::Error {
+        use serde::ser::Error;
+        S::Error::custom(self)
+    }
+}