Fix clippy

Author: AnuthaDev

src/uu/echo/src/echo.rs

@@ -141,7 +141,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
         if args.peek().is_some_and(|arg| arg == "-n") {
             // if POSIXLY_CORRECT is set and the first argument is the "-n" flag
             // we filter flags normally but 'escaped' is activated nonetheless.
-            let (args, _) = filter_flags(args.into_iter());
+            let (args, _) = filter_flags(args);
             (
                 Box::new(args),
                 Options {
@@ -155,7 +155,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
             (Box::new(args), Options::posixly_correct_default())
         }
     } else if let Some(first_arg) = args.next() {
-        if first_arg == "--help" && args.peek() == None {
+        if first_arg == "--help" && args.peek().is_none() {
             // If POSIXLY_CORRECT is not set and the first argument
             // is `--help`, GNU coreutils prints the help message.
             //
@@ -165,14 +165,14 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
             //                     echo --help
             uu_app().print_help()?;
             return Ok(());
-        } else if first_arg == "--version" && args.peek() == None {
+        } else if first_arg == "--version" && args.peek().is_none() {
             print!("{}", uu_app().render_version());
             return Ok(());
-        } else {
-            // if POSIXLY_CORRECT is not set we filter the flags normally
-            let (args, options) = filter_flags(std::iter::once(first_arg).chain(args));
-            (Box::new(args), options)
         }
+
+        // if POSIXLY_CORRECT is not set we filter the flags normally
+        let (args, options) = filter_flags(std::iter::once(first_arg).chain(args));
+        (Box::new(args), options)
     } else {
         (Box::new(args), Options::default())
     };