MpdError: impl thiserror

src/response.rs

@@ -1,4 +1,7 @@
+use std::fmt::Display;
+
 use serde::{Deserialize, Serialize};
+use thiserror::Error;
 
 // See https://github.com/MusicPlayerDaemon/MPD/blob/7774c3369e1484dc5dec6d7d9572e0a57e9c5302/src/command/AllCommands.cxx#L67-L209
 pub type Response = Result<(), MpdError>;
@@ -23,10 +26,20 @@ pub enum ErrorCode {
     Exist = 56,
 }
 
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[derive(Error, Debug, Clone, PartialEq, Serialize, Deserialize)]
 pub struct MpdError {
     code: ErrorCode,
     command: String,
     message: String,
     command_list_num: usize,
 }
+
+impl Display for MpdError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "MPD Error (code: {:?}, command: '{}', message: '{}', command_list_num: {})",
+            self.code, self.command, self.message, self.command_list_num
+        )
+    }
+}