refactor: clean up hints

crates/quark/src/impl/generic/safety/snapshot.rs

@@ -61,10 +61,7 @@ impl SnapshotContent {
         ))
     }
 
-    pub fn generate_from_server(
-        db: &Database,
-        server: Server,
-    ) -> Result<(SnapshotContent, Vec<String>)> {
+    pub fn generate_from_server(server: Server) -> Result<(SnapshotContent, Vec<String>)> {
         // Collect server's icon and banner
         let files = [&server.icon, &server.banner]
             .iter()
@@ -74,7 +71,7 @@ impl SnapshotContent {
         Ok((SnapshotContent::Server(server), files))
     }
 
-    pub fn generate_from_user(db: &Database, user: User) -> Result<(SnapshotContent, Vec<String>)> {
+    pub fn generate_from_user(user: User) -> Result<(SnapshotContent, Vec<String>)> {
         // Collect user's avatar and profile background
         let files = [
             user.avatar.as_ref(),

crates/quark/src/tasks/ack.rs

@@ -2,8 +2,8 @@
 use crate::Database;
 
 use deadqueue::limited::Queue;
-use std::{collections::HashMap, time::Duration};
 use once_cell::sync::Lazy;
+use std::{collections::HashMap, time::Duration};
 
 use super::DelayedTask;
 
@@ -95,7 +95,7 @@ pub async fn worker(db: Database) {
         }) = Q.try_pop()
         {
             let key = (user, channel);
-            if let Some(mut task) = tasks.get_mut(&key) {
+            if let Some(task) = tasks.get_mut(&key) {
                 task.delay();
 
                 match &mut event {

crates/quark/src/tasks/last_message_id.rs

@@ -2,8 +2,8 @@
 use crate::{models::channel::PartialChannel, Database};
 
 use deadqueue::limited::Queue;
-use std::{collections::HashMap, time::Duration};
 use once_cell::sync::Lazy;
+use std::{collections::HashMap, time::Duration};
 
 use super::DelayedTask;
 
@@ -73,7 +73,7 @@ pub async fn worker(db: Database) {
 
         // Queue incoming tasks.
         while let Some(Data { channel, id, is_dm }) = Q.try_pop() {
-            if let Some(mut task) = tasks.get_mut(&channel) {
+            if let Some(task) = tasks.get_mut(&channel) {
                 task.data.id = id;
                 task.delay();
             } else {