upd

inker · Nov 28, 2023 · ce3becd · ce3becd
1 parent cfbbbef
commit ce3becd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/engine/backtracking/gs.ts b/src/engine/backtracking/gs.ts
@@ -26,7 +26,7 @@ function anyGroupPossible<T>(
   // Otherwise, continue
   // The predicate returned true, so group `groupNum` is good
   // Put the picked item into it
-  const newGroups = groups.map((group, i) => i === groupNum ? [picked, ...group] : group)
+  const newGroups = groups.with(groupNum, [picked, ...groups[groupNum]])
 
   // Next, pick the head item from the current pot
   const [newPicked, ...newSource] = source