use different combinator

crates/syntax/src/syntax_editor/edit_algo.rs

diff --git a/crates/syntax/src/syntax_editor/edit_algo.rs b/crates/syntax/src/syntax_editor/edit_algo.rs
index 38c786b..36f50e3 100644
--- a/crates/syntax/src/syntax_editor/edit_algo.rs
+++ b/crates/syntax/src/syntax_editor/edit_algo.rs
@@ -111,11 +111,8 @@
         // Check if this change is dependent on another change (i.e. it's contained within another range)
         if let Some(index) = changed_ancestors
             .iter()
-            .rev()
-            .position(|ancestor| ancestor.affected_range().contains_range(change.target_range()))
+            .rposition(|ancestor| ancestor.affected_range().contains_range(change.target_range()))
         {
-            let index = changed_ancestors.len() - 1 - index;
-
             // Pop off any ancestors that aren't applicable
             changed_ancestors.drain((index + 1)..);