From c84c38544bc6e81f0b0482e4e82b6c95848c1a0c Mon Sep 17 00:00:00 2001
From: Akshay <nerdy@peppe.rs>
Date: Tue, 6 Apr 2021 14:54:54 +0530
Subject: apply clippy lints

---
 src/undo.rs | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

(limited to 'src/undo.rs')

diff --git a/src/undo.rs b/src/undo.rs
index 1044c63..5effd79 100644
--- a/src/undo.rs
+++ b/src/undo.rs
@@ -67,9 +67,10 @@ where
         if let Some(p) = self.position {
             self.position = p.checked_sub(1);
             // we want to return a clone and not a reference because push deletes the item
-            return Some(self.operations[p as usize].clone());
+            Some(self.operations[p as usize].clone())
+        } else {
+            None
         }
-        return None;
     }
 
     pub fn redo(&mut self) -> Option<T> {
@@ -82,7 +83,16 @@ where
             self.position = Some(0);
             return Some(self.operations[0].clone());
         }
-        return None;
+        None
+    }
+}
+
+impl<T> std::default::Default for UndoStack<T>
+where
+    T: Clone,
+{
+    fn default() -> Self {
+        UndoStack::new()
     }
 }
 
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