Fix main printing unnecessary ExitCode Debug impl

src/main.rs

@@ -137,12 +137,13 @@ impl Args {
     }
 }
 
-fn main() -> Result<(), ExitCode> {
+fn main() -> ExitCode {
     panic::set_hook(Box::new(panic_cb));
 
     let args = Args::parse();
     if args.version {
-        return Ok(print_version());
+        print_version();
+        return ExitCode::Ok;
     }
 
     init_logger(&args);
@@ -271,13 +272,13 @@ fn parse_jitlib_cmd(s: &str) -> Option<(&str, &str)> {
     }
 }
 
-async fn main_async(args: Args, cx: &mut lb::runtime::Context) -> Result<(), ExitCode> {
+async fn main_async(args: Args, cx: &mut lb::runtime::Context) -> ExitCode {
     for ref path in args.path {
         let chunk = match std::fs::read(path) {
             Ok(chunk) => chunk,
             Err(err) => {
                 eprintln!("{}", format_args!("{path}: {err}").red().bold());
-                return Err(ExitCode::NoInput);
+                return ExitCode::NoInput;
             }
         };
 
@@ -288,5 +289,5 @@ async fn main_async(args: Args, cx: &mut lb::runtime::Context) -> Result<(), Exi
         }
     }
 
-    Ok(())
+    ExitCode::Ok
 }