usage of TOP_K_CHILDREN

src/future_moves.rs

@@ -192,8 +192,8 @@ impl FutureMoves {
         if parent.lazy_children && !lazy_children {
             self.arena[parent_idx].lazy_children = false;
             // this move's children are being regenerated after lazy child expiration, don't append first node
-            if new.len() > 1 {
-                self.arena.extend(new.drain(1..));
+            if new.len() > TOP_K_CHILDREN {
+                self.arena.extend(new.drain(TOP_K_CHILDREN..));
             } else {
                 // nothing will be appended
                 // even though it was sorted the first time around

src/misc.rs

@@ -28,7 +28,6 @@ where
 
 pub fn diag_raw<T>(
     i_chains: [impl Iterator<Item = T> + Clone; 2],
-
     j_chains: [impl Iterator<Item = T> + Clone; 2],
 ) -> [impl Iterator<Item = (T, T)> + Clone; 4]
 where