From 38c95d6f76efde8b14a93e3a31d28c5d56bfb638 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 10 Jul 2016 18:10:01 +0100
Subject: Move childNodes onto Node interface

---
 src/main/java/org/zwobble/couscous/ast/VariableReferenceNode.java | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/main/java/org/zwobble/couscous/ast/VariableReferenceNode.java')

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) {
@@ -49,6 +50,11 @@ public class VariableReferenceNode implements AssignableExpressionNode, Referenc
         return visitor.visit(this);
     }
 
+    @Override
+    public Iterable<Node> childNodes() {
+        return ExtraIterables.empty();
+    }
+
     @Override
     public ExpressionNode transform(NodeTransformer transformer) {
         return new VariableReferenceNode(transformer.transform(referent));
-- 
cgit v1.2.3