remove premature optimized unsafe

pola-rs · Jan 12, 2022 · 1995dbc · 1995dbc
1 parent 29f688a
commit 1995dbc
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/polars/polars-utils/src/arena.rs b/polars/polars-utils/src/arena.rs
@@ -73,14 +73,12 @@ impl<T> Arena<T> {
 
     #[inline]
     pub fn get(&self, idx: Node) -> &T {
-        debug_assert!(idx.0 < self.items.len());
-        unsafe { self.items.get_unchecked(idx.0) }
+        self.items.get(idx.0).unwrap()
     }
 
     #[inline]
     pub fn get_mut(&mut self, idx: Node) -> &mut T {
-        debug_assert!(idx.0 < self.items.len());
-        unsafe { self.items.get_unchecked_mut(idx.0) }
+        self.items.get_mut(idx.0).unwrap()
     }
 
     #[inline]