chore: update to Rust 2024 edition

cosmic-applet-tiling/src/localize.rs

@@ -2,8 +2,8 @@
 // SPDX-License-Identifier: GPL-3.0-only
 
 use i18n_embed::{
-    fluent::{fluent_language_loader, FluentLanguageLoader},
     DefaultLocalizer, LanguageLoader, Localizer,
+    fluent::{FluentLanguageLoader, fluent_language_loader},
 };
 use rust_embed::RustEmbed;
 use std::sync::LazyLock;

cosmic-applet-tiling/src/wayland.rs

@@ -19,7 +19,7 @@ use cctk::{
 };
 use cosmic::iced::futures;
 use cosmic_protocols::workspace::v2::client::zcosmic_workspace_handle_v2::TilingState;
-use futures::{channel::mpsc, executor::block_on, SinkExt};
+use futures::{SinkExt, channel::mpsc, executor::block_on};
 use std::{
     collections::HashSet,
     os::{
@@ -29,9 +29,9 @@ use std::{
 };
 use tracing::error;
 use wayland_client::{
+    Connection, QueueHandle,
     globals::registry_queue_init,
     protocol::wl_output::{self, WlOutput},
-    Connection, QueueHandle,
 };
 
 #[derive(Debug, Clone)]

cosmic-applet-tiling/src/wayland_subscription.rs

@@ -4,9 +4,9 @@
 use crate::wayland::{self, AppRequest};
 use cctk::sctk::reexports::calloop::channel::SyncSender;
 use cosmic::iced::{
-    self,
-    futures::{self, channel::mpsc, SinkExt, StreamExt},
-    stream, Subscription,
+    self, Subscription,
+    futures::{self, SinkExt, StreamExt, channel::mpsc},
+    stream,
 };
 use cosmic_protocols::workspace::v2::client::zcosmic_workspace_handle_v2::TilingState;
 use std::sync::LazyLock;

cosmic-applet-tiling/src/window.rs

@@ -6,15 +6,15 @@ use crate::{
 };
 use cctk::sctk::reexports::calloop::channel::SyncSender;
 use cosmic::{
-    app,
+    Element, Task, app,
     app::Core,
     applet::{menu_button, padded_control},
     cosmic_config::{Config, ConfigSet, CosmicConfigEntry},
     cosmic_theme::Spacing,
     iced::{
+        Length, Subscription,
         platform_specific::shell::wayland::commands::popup::{destroy_popup, get_popup},
         window::Id,
-        Length, Limits, Subscription,
     },
     iced_widget::{column, row},
     surface, theme,
@@ -23,11 +23,10 @@ use cosmic::{
         segmented_button::{self, Entity, SingleSelectModel},
         segmented_control, text,
     },
-    Element, Task,
 };
 use cosmic_comp_config::{CosmicCompConfig, TileBehavior};
 use cosmic_protocols::workspace::v2::client::zcosmic_workspace_handle_v2::TilingState;
-use cosmic_time::{anim, chain, id, Timeline};
+use cosmic_time::{Timeline, anim, chain, id};
 use std::{thread, time::Instant};
 use tracing::error;
 
@@ -173,7 +172,7 @@ impl cosmic::Application for Window {
                     self.active_hint = id::Toggler::unique();
                     let new_id = Id::unique();
                     self.popup = Some(new_id);
-                    let mut popup_settings = self.core.applet.get_popup_settings(
+                    let popup_settings = self.core.applet.get_popup_settings(
                         self.core.main_window_id().unwrap(),
                         new_id,
                         Some((1, 1)),
@@ -182,7 +181,7 @@ impl cosmic::Application for Window {
                     );
 
                     get_popup(popup_settings)
-                }
+                };
             }
             Message::PopupClosed(id) => {
                 if self.popup.as_ref() == Some(&id) {