diff --git a/src/collections/scoped_buffer.rs b/src/collections/scoped_buffer.rs
index f6f62b77ed4bca0048e38c9acbb44f1261537656..5b8c08eafe6bb2756822b73b55c456787ad94d10 100644
--- a/src/collections/scoped_buffer.rs
+++ b/src/collections/scoped_buffer.rs
@@ -38,6 +38,17 @@ impl<T: Sized + Copy> ScopedBuffer<T> {
             cur_size: start_size
         }
     }
+
+    pub(crate) fn start_section_initialized(&mut self, initialize_with: &[T]) -> ScopedSection<T> {
+        let start_size = self.inner.len() as u32;
+        let data_size = initialize_with.len() as u32;
+        self.inner.extend_from_slice(initialize_with);
+        ScopedSection{
+            inner: &mut self.inner,
+            start_size,
+            cur_size: start_size + data_size,
+        }
+    }
 }
 
 #[cfg(debug_assertions)]