Make Application and Sandbox return a Result

examples/bezier_tool/src/main.rs

@@ -3,11 +3,11 @@ use iced::{
     button, Align, Button, Column, Element, Length, Sandbox, Settings, Text,
 };
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Example::run(Settings {
         antialiasing: true,
         ..Settings::default()
-    });
+    })
 }
 
 #[derive(Default)]

examples/clock/src/main.rs

@@ -4,7 +4,7 @@ use iced::{
     Point, Rectangle, Settings, Subscription, Vector,
 };
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Clock::run(Settings {
         antialiasing: true,
         ..Settings::default()

examples/color_palette/src/main.rs

@@ -8,7 +8,7 @@ use palette::{self, Hsl, Limited, Srgb};
 use std::marker::PhantomData;
 use std::ops::RangeInclusive;
 
-pub fn main() {
+pub fn main() -> iced::Result {
     ColorPalette::run(Settings {
         antialiasing: true,
         ..Settings::default()

examples/counter/src/main.rs

@@ -1,6 +1,6 @@
 use iced::{button, Align, Button, Column, Element, Sandbox, Settings, Text};
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Counter::run(Settings::default())
 }
 

examples/custom_widget/src/main.rs

@@ -90,7 +90,7 @@ use iced::{
     Slider, Text,
 };
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Example::run(Settings::default())
 }
 

examples/download_progress/src/main.rs

@@ -5,7 +5,7 @@ use iced::{
 
 mod download;
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Example::run(Settings::default())
 }
 

examples/events/src/main.rs

@@ -3,7 +3,7 @@ use iced::{
     Element, Length, Settings, Subscription, Text,
 };
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Events::run(Settings::default())
 }
 

examples/game_of_life/src/main.rs

@@ -16,7 +16,7 @@ use iced::{
 use preset::Preset;
 use std::time::{Duration, Instant};
 
-pub fn main() {
+pub fn main() -> iced::Result {
     GameOfLife::run(Settings {
         antialiasing: true,
         ..Settings::default()

examples/geometry/src/main.rs

@@ -165,7 +165,7 @@ use iced::{
 };
 use rainbow::Rainbow;
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Example::run(Settings::default())
 }
 

examples/pane_grid/src/main.rs

@@ -4,7 +4,7 @@ use iced::{
     Settings, Text,
 };
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Example::run(Settings::default())
 }
 

examples/pick_list/src/main.rs

@@ -3,7 +3,7 @@ use iced::{
     Sandbox, Scrollable, Settings, Space, Text,
 };
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Example::run(Settings::default())
 }
 

examples/pokedex/src/main.rs

@@ -3,7 +3,7 @@ use iced::{
     Container, Element, Image, Length, Row, Settings, Text,
 };
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Pokedex::run(Settings::default())
 }
 

examples/progress_bar/src/main.rs

@@ -1,6 +1,6 @@
 use iced::{slider, Column, Element, ProgressBar, Sandbox, Settings, Slider};
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Progress::run(Settings::default())
 }
 

examples/solar_system/src/main.rs

@@ -14,7 +14,7 @@ use iced::{
 
 use std::time::Instant;
 
-pub fn main() {
+pub fn main() -> iced::Result {
     SolarSystem::run(Settings {
         antialiasing: true,
         ..Settings::default()

examples/stopwatch/src/main.rs

@@ -5,7 +5,7 @@ use iced::{
 };
 use std::time::{Duration, Instant};
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Stopwatch::run(Settings::default())
 }
 

examples/styling/src/main.rs

@@ -4,7 +4,7 @@ use iced::{
     Scrollable, Settings, Slider, Space, Text, TextInput,
 };
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Styling::run(Settings::default())
 }
 

examples/svg/src/main.rs

@@ -1,6 +1,6 @@
 use iced::{Container, Element, Length, Sandbox, Settings, Svg};
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Tiger::run(Settings::default())
 }
 

examples/todos/src/main.rs

@@ -5,7 +5,7 @@ use iced::{
 };
 use serde::{Deserialize, Serialize};
 
-pub fn main() {
+pub fn main() -> iced::Result {
     Todos::run(Settings::default())
 }
 

examples/tour/src/main.rs

@@ -4,7 +4,7 @@ use iced::{
     Sandbox, Scrollable, Settings, Slider, Space, Text, TextInput,
 };
 
-pub fn main() {
+pub fn main() -> iced::Result {
     env_logger::init();
 
     Tour::run(Settings::default())