Fix warning

saulshanabrook · saulshanabrook · commit 371d89afb5cd · 2025-11-03T13:16:45.000-08:00
diff --git a/src/extract.rs b/src/extract.rs
@@ -115,7 +115,7 @@ impl egglog::extract::CostModel<Cost> for CostModel {
 
     fn enode_cost(
         &self,
-        egraph: &egglog::EGraph,
+        _egraph: &egglog::EGraph,
         func: &egglog::Function,
         row: &egglog::FunctionRow<'_>,
     ) -> Cost {
