make ActiveQuery::iteration_count private with accessor

Author: carljm

src/active_query.rs

@@ -62,7 +62,7 @@ pub(crate) struct ActiveQuery {
     cycle_heads: CycleHeads,
 
     /// If this query is a cycle head, iteration count of that cycle.
-    pub(crate) iteration_count: u32,
+    iteration_count: u32,
 }
 
 impl ActiveQuery {
@@ -129,6 +129,10 @@ impl ActiveQuery {
             changed_at: self.changed_at,
         }
     }
+
+    pub(super) fn iteration_count(&self) -> u32 {
+        self.iteration_count
+    }
 }
 
 impl ActiveQuery {

src/function/maybe_changed_after.rs

@@ -280,7 +280,7 @@ where
             if !db.zalsa_local().with_query_stack(|stack| {
                 stack.iter().any(|entry| {
                     entry.database_key_index == cycle_head.database_key_index
-                        && entry.iteration_count == cycle_head.iteration_count
+                        && entry.iteration_count() == cycle_head.iteration_count
                 })
             }) {
                 return false;