refactoring: simplify main loop match break and continue arms

src/main.rs

@@ -31,9 +31,7 @@ fn main() -> Result<()> {
         match readline {
             Ok(line) => match interpret(line, &mut config, ctrlc_recv.clone()) {
                 Ok(_) => prompt.style = config.prompt_style.clone(),
-                Err(ShellError::EmptyLine) => {
-                    continue;
-                }
+                Err(ShellError::EmptyLine) => continue,
                 Err(ShellError::NotFound(cmd)) => {
                     eprintln!("{}: command not found", cmd.get_program().to_string_lossy())
                 }
@@ -43,16 +41,10 @@ fn main() -> Result<()> {
                 Err(ShellError::MalformedArgs(args)) => {
                     eprintln!("Malformed arguments: {}", args)
                 }
-                Err(ShellError::Interrupt) => {
-                    continue;
-                }
+                Err(ShellError::Interrupt) => continue,
             },
-            Err(ReadlineError::Interrupted) => {
-                continue;
-            }
-            Err(ReadlineError::Eof) => {
-                break;
-            }
+            Err(ReadlineError::Interrupted) => continue,
+            Err(ReadlineError::Eof) => break,
             Err(err) => {
                 eprintln!("Error: {:?}", err);
                 break;