Replace #[allow attributes with expect (#7796)

We do have `clippy::allow_attributes` turned on, but it doesn't seem to
work properly

examples/confirm_exit/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use eframe::egui;
 

examples/custom_3d_glow/src/main.rs

@@ -1,7 +1,7 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
-#![allow(unsafe_code)]
-#![allow(clippy::undocumented_unsafe_blocks)]
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(unsafe_code)]
+#![expect(clippy::undocumented_unsafe_blocks)]
 
 use eframe::{egui, egui_glow, glow};
 

examples/custom_font/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use eframe::{
     egui,

examples/custom_font_style/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use eframe::egui;
 use egui::{FontFamily, FontId, RichText, TextStyle};

examples/custom_keypad/src/main.rs

@@ -1,5 +1,5 @@
 // #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 use eframe::egui;
 
 mod keypad;

examples/custom_style/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use eframe::egui::{
     self, Color32, Stroke, Style, Theme, global_theme_preference_buttons, style::Selection,

examples/external_eventloop_async/src/main.rs

@@ -1,4 +1,4 @@
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 #[cfg(target_os = "linux")]
 mod app;

examples/file_dialog/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use eframe::egui;
 

examples/hello_world/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use eframe::egui;
 

examples/hello_world_simple/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use eframe::egui;
 

examples/images/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use eframe::egui;
 

examples/keyboard_events/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use eframe::egui;
 use egui::{Key, ScrollArea};

examples/multiple_viewports/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use std::sync::{
     Arc,

examples/popups/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use eframe::egui::{CentralPanel, ComboBox, Popup, PopupCloseBehavior};
 

examples/puffin_profiler/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use std::sync::{
     Arc,

examples/serial_windows/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use eframe::egui;
 

examples/user_attention/src/main.rs

@@ -1,5 +1,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
-#![allow(rustdoc::missing_crate_level_docs)] // it's an example
+#![expect(rustdoc::missing_crate_level_docs)] // it's an example
 
 use eframe::{CreationContext, NativeOptions, egui};
 use egui::{Button, CentralPanel, UserAttentionType};