Update to modern libs

Cargo.toml

@@ -1,13 +1,13 @@
 [package]
 name = "gui-playground"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+anyhow = "1.0.89"
+iced = "0.13.1"
 
 
-iced = "0.3.0"
-druid = "0.7.0"
 

src/iced.rs

@@ -1,10 +1,12 @@
-use iced::{Application, Command, executor, Clipboard, Element, Text, Settings};
+//use iced::{Application, Command, executor, Clipboard, Element, Text, Settings};
 
 pub fn iced_main() -> iced::Result {
   println!("Iced");
-  Gamarjoba::run(Settings::default())
+  Ok(())
+  //Gamarjoba::run(Settings::default())
 }
 
+/*
 struct Gamarjoba;
 
 
@@ -30,3 +32,4 @@ impl Application for Gamarjoba {
   }
 
 }
+*/

src/main.rs

@@ -1,35 +1,37 @@
 mod iced;
 
-fn main() -> Result<(), std::io::Error> {
+use anyhow::{Result, anyhow};
+
+fn main() -> Result<()> {
 
   let args: Vec<String> = std::env::args().collect();
 
-  let framework = args.get(1).expect("Specify a GUI framework to run");
+  let framework = match args.get(1) {
+    Some(s) => s,
+    None => return Err(anyhow!("Specify a framework to use"))
+  };
+
   match framework.as_str() {
     "iced" => {
-      iced::iced_main();
+      iced::iced_main().map_err(|err| anyhow!(err))
     },
-    "druid" => {
-      druid_main();
-    },
-    "egui" => {
-      egui_main();
-    },
-    x => {
-      println!(r#"You specified {}, allowed values: "iced", "druid", "egui""#, x);
+    "druid" => druid_main(),
+    "egui" => egui_main(),
+    other => {
+      Err(anyhow!(r#"You specified {other}, allowed values: "iced", "egui""#))
     }
-  };
+  }
+}
+
+
+fn druid_main() -> Result<()> {
+  println!("druid");
+  Ok(())
+}
+
+fn egui_main() -> Result<()> {
+  println!("egui - not implemented yet");
   Ok(())
 }
 
 
-fn druid_main() {
-  println!("druid");
-
-}
-
-fn egui_main() {
-  println!("egui");
-}
-
-