From df41f1d6d4c1f964e2488705f46e433c59a77d5c Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Mon, 23 Sep 2024 14:25:49 -0700
Subject: Div-by-1 peep

---
 chapter15/src/main/java/com/seaofnodes/simple/node/DivNode.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'chapter15')

diff --git a/chapter15/src/main/java/com/seaofnodes/simple/node/DivNode.java b/chapter15/src/main/java/com/seaofnodes/simple/node/DivNode.java
index 0d169cda..76e98678 100644
--- a/chapter15/src/main/java/com/seaofnodes/simple/node/DivNode.java
+++ b/chapter15/src/main/java/com/seaofnodes/simple/node/DivNode.java
@@ -35,7 +35,12 @@ public class DivNode extends Node {
     }
 
     @Override
-    public Node idealize() { return null; }
+    public Node idealize() {
+        // Div of 1.
+        if( in(2)._type == TypeInteger.TRUE )
+            return in(1);
+        return null;
+    }
 
     @Override Node copy(Node lhs, Node rhs) { return new DivNode(lhs,rhs); }
     @Override Node copyF() { return new DivFNode(null,null); }
-- 
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