clean up some code

2 files changed, 4 insertions, 3 deletions

diff --git a/lib/wordexp-rs/src/lib.rs b/lib/wordexp-rs/src/lib.rs
index 57dd9b7..1fe1be4 100644
--- a/lib/wordexp-rs/src/lib.rs
+++ b/lib/wordexp-rs/src/lib.rs
@@ -54,7 +54,8 @@ impl<'a> Wordexp<'a> {
 impl<'a> std::iter::Iterator for Wordexp<'a> {
     type Item = &'a str;
 
-    fn next(&mut self) -> Option<&'a str> {
+    #[inline]
+    fn next(&mut self) -> Option<Self::Item> {
         if self.counter >= self.we_wordv.len() {
             self.counter = 0;
             None
diff --git a/src/commands/mod.rs b/src/commands/mod.rs
index 09fbfb7..f6e0e7f 100644
--- a/src/commands/mod.rs
+++ b/src/commands/mod.rs
@@ -74,8 +74,8 @@ pub fn from_args(command: &str, args: Option<&Vec<String>>) -> Option<Box<Joshut
         "cd" => {
             if let Some(args) = args {
                 match wordexp::wordexp(args[0].as_str(), 0) {
-                    Ok(exp_strs) => {
-                        if let Some(exp_str) = exp_strs.into_iter().next() {
+                    Ok(mut exp_strs) => {
+                        if let Some(exp_str) = exp_strs.next() {
                             let path = PathBuf::from(exp_str);
                             return Some(Box::new(self::ChangeDirectory::new(path)));
                         }