error handling

src/formats/rson.rs

@@ -1,9 +1,10 @@
 // This module deals with converting the notification object into rson format, which can be used instead of json if preferred
 use crate::notification::Notification;
 use rson_rs::ser::to_string as rson_string;
+use rson_rs::de::Error as RsonError;
 
 impl Notification {
-    pub fn rson(&self) -> Result<String, String> {
+    pub fn rson(&self) -> Result<String, RsonError> {
-        rson_string(self).map_err(|e| format!("Failed to serialize to RSON: {}", e))
+        rson_string(self).map_err(|e| RsonError::Message(format!("RSON serialization error: {}", e)))
     }
 }

src/main.rs

@@ -132,7 +132,11 @@ async fn main() -> Result<()> {
                             println!("{}", &notif.json()); // Print the json version
                         }
                         "r" => {
-                            println!("{}", &notif.rson()); // Print the rson version
+                            // Print the rson version
+                            match notif.rson() {
+                                Ok(rson_string) => println!("{}", rson_string),
+                                Err(e) => eprintln!("Failed to convert to RSON: {}", e),
+                            }
                         }
                         "p" => {
                             println!("{}\n", &notif.plain()); // Print the plain version