Allow contextualizing Option into Result

src/util/error.rs

@@ -233,6 +233,13 @@ impl<T, E: Into<Error>> Contextualize<Result<T, Error>> for Result<T, E> {
     }
 }
 
+impl<T> Contextualize<Result<T, Error>> for Option<T> {
+    #[track_caller]
+    fn err_context(self, context: impl Into<String>) -> Result<T, Error> {
+        self.ok_or(Error::new_here(ErrorType::Error(context.into())))
+    }
+}
+
 impl<E: Into<Error>> Contextualize<Error> for E {
     #[track_caller]
     fn err_context(self, context: impl Into<String>) -> Error {