Move childNodes onto Node interface

1 files changed, 6 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/couscous/ast/VariableReferenceNode.java b/src/main/java/org/zwobble/couscous/ast/VariableReferenceNode.java
index 3f7da7f..ce2ba44 100644
--- a/src/main/java/org/zwobble/couscous/ast/VariableReferenceNode.java
+++ b/src/main/java/org/zwobble/couscous/ast/VariableReferenceNode.java
@@ -5,6 +5,7 @@ import org.zwobble.couscous.types.Type;
 import org.zwobble.couscous.ast.visitors.AssignableExpressionNodeVisitor;
 import org.zwobble.couscous.ast.visitors.ExpressionNodeMapper;
 import org.zwobble.couscous.ast.visitors.NodeTransformer;
+import org.zwobble.couscous.util.ExtraIterables;
 
 public class VariableReferenceNode implements AssignableExpressionNode, ReferenceNode {
     public static VariableReferenceNode reference(VariableNode variable) {
@@ -50,6 +51,11 @@ public class VariableReferenceNode implements AssignableExpressionNode, Referenc
     }
 
     @Override
+    public Iterable<Node> childNodes() {
+        return ExtraIterables.empty();
+    }
+
+    @Override
     public ExpressionNode transform(NodeTransformer transformer) {
         return new VariableReferenceNode(transformer.transform(referent));
     }