Add safety justification comment

apache · Apr 26, 2024 · d857cee · d857cee
1 parent c0cc317
commit d857cee
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arrow-cast/src/cast/mod.rs b/arrow-cast/src/cast/mod.rs
@@ -2288,6 +2288,8 @@ where
 
     assert_eq!(views_builder.len(), len);
 
+    /// Safety: the input was a valid array so the data was UTF8 (if string) and all offsets were valid
+    /// and we created the views correctly
     Ok(Arc::new(unsafe {
         GenericByteViewArray::<V>::new_unchecked(
             ScalarBuffer::new(views_builder.finish(), 0, len),