feat(errors): add Error::is_shutdown

Author: nox

src/error.rs

@@ -201,6 +201,11 @@ impl Error {
         self.find_source::<TimedOut>().is_some()
     }
 
+    /// Returns true if the error was caused by a shutdown.
+    pub fn is_shutdown(&self) -> bool {
+        matches!(self.inner.kind, Kind::Shutdown)
+    }
+
     /// Consumes the error, returning its cause.
     pub fn into_cause(self) -> Option<Box<dyn StdError + Send + Sync>> {
         self.inner.cause