1 files changed, 5 insertions, 0 deletions
diff --git a/src/main/java/org/zwobble/couscous/ast/FormalArgumentNode.java b/src/main/java/org/zwobble/couscous/ast/FormalArgumentNode.java
index 41fb982..f7d7f42 100644
--- a/src/main/java/org/zwobble/couscous/ast/FormalArgumentNode.java
+++ b/src/main/java/org/zwobble/couscous/ast/FormalArgumentNode.java
@@ -1,6 +1,7 @@
 package org.zwobble.couscous.ast;
 
 import org.zwobble.couscous.ast.visitors.NodeMapper;
+import org.zwobble.couscous.ast.visitors.NodeTransformer;
 
 public class FormalArgumentNode implements VariableNode, Node {
     public static FormalArgumentNode formalArg(VariableDeclaration declaration) {
@@ -30,6 +31,10 @@ public class FormalArgumentNode implements VariableNode, Node {
         return visitor.visit(this);
     }
 
+    public FormalArgumentNode transform(NodeTransformer transformer) {
+        return new FormalArgumentNode(transformer.transform(declaration));
+    }
+
     @Override
     public String toString() {
         return "FormalArgumentNode(declaration=" + declaration + ")";