add metadata in queue list

1 files changed, 19 insertions, 13 deletions

diff --git a/src/list.rs b/src/list.rs
index 6294f44..219b9a4 100755
--- a/src/list.rs
+++ b/src/list.rs
@@ -14,30 +14,36 @@ impl<T> ContentList<T> {
 
     // Go to next item in list
     pub fn next(&mut self) {
-        // if self.index < self.list.len() - 1 {
-        //     self.index += 1;
-        // }
-
         let len = self.list.len();
         if len != 0 {
-            if self.index == self.list.len() - 1 {
-                self.index = 0;
-            } else {
+            if self.index < len - 1 {
                 self.index += 1;
             }
         }
+
+        // let len = self.list.len();
+        // if len != 0 {
+        //     if self.index == self.list.len() - 1 {
+        //         self.index = 0;
+        //     } else {
+        //         self.index += 1;
+        //     }
+        // }
     }
 
     /// Go to previous item in list
     pub fn prev(&mut self) {
-        if self.index == 0 {
-            let len = self.list.len();
-            if len != 0 {
-                self.index = len - 1;
-            }
-        } else {
+        if self.index != 0 {
             self.index -= 1;
         }
+        // if self.index == 0 {
+        //     let len = self.list.len();
+        //     if len != 0 {
+        //         self.index = len - 1;
+        //     }
+        // } else {
+        //     self.index -= 1;
+        // }
     }
 
     pub fn reset_index(&mut self) {