fix all warnings

kordophone/src/model/outgoing_message.rs

@@ -62,7 +62,7 @@ impl OutgoingMessageBuilder {
 
     pub fn build(self) -> OutgoingMessage {
         OutgoingMessage {
-            guid: self.guid.unwrap_or_else(|| Uuid::new_v4()),
+            guid: self.guid.unwrap_or_else(Uuid::new_v4),
             text: self.text.unwrap(),
             conversation_id: self.conversation_id.unwrap(),
             file_transfer_guids: self.file_transfer_guids.unwrap_or_default(),

kordophone/src/model/update.rs

@@ -3,6 +3,7 @@ use super::message::Message;
 use serde::Deserialize;
 
 #[derive(Debug, Clone, Deserialize)]
+#[derive(Default)]
 pub struct UpdateItem {
     #[serde(rename = "messageSequenceNumber")]
     pub seq: u64,
@@ -17,13 +18,3 @@ pub struct UpdateItem {
     pub pong: bool,
 }
 
-impl Default for UpdateItem {
-    fn default() -> Self {
-        Self {
-            seq: 0,
-            conversation: None,
-            message: None,
-            pong: false,
-        }
-    }
-}