error handling

src/formats/rson.rs

@@ -3,7 +3,7 @@ use crate::notification::Notification;
 use rson_rs::ser::to_string as rson_string;
 
 impl Notification {
-    pub fn rson(&self) -> String {
-        rson_string(&self).unwrap()
+    pub fn rson(&self) -> Result<String, String> {
+        rson_string(self).map_err(|e| format!("Failed to serialize to RSON: {}", e))
     }
 }