Move childNodes onto Node interface

1 files changed, 6 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/couscous/ast/ThisReferenceNode.java b/src/main/java/org/zwobble/couscous/ast/ThisReferenceNode.java
index e13596e..1363b24 100644
--- a/src/main/java/org/zwobble/couscous/ast/ThisReferenceNode.java
+++ b/src/main/java/org/zwobble/couscous/ast/ThisReferenceNode.java
@@ -3,6 +3,7 @@ package org.zwobble.couscous.ast;
 import org.zwobble.couscous.types.Type;
 import org.zwobble.couscous.ast.visitors.ExpressionNodeMapper;
 import org.zwobble.couscous.ast.visitors.NodeTransformer;
+import org.zwobble.couscous.util.ExtraIterables;
 
 public class ThisReferenceNode implements ExpressionNode, ReferenceNode {
     public static ThisReferenceNode thisReference(Type type) {
@@ -30,6 +31,11 @@ public class ThisReferenceNode implements ExpressionNode, ReferenceNode {
     }
 
     @Override
+    public Iterable<Node> childNodes() {
+        return ExtraIterables.empty();
+    }
+
+    @Override
     public ExpressionNode transform(NodeTransformer transformer) {
         return new ThisReferenceNode(transformer.transform(type));
     }