From 6b3248373262ca30fff70728e24852bde8131042 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Wed, 13 Jan 2016 20:41:06 +0000
Subject: Generate unique names for temporary variables

---
 .../org/zwobble/couscous/util/NaturalNumbers.java  | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/main/java/org/zwobble/couscous/util/NaturalNumbers.java

(limited to 'src/main/java/org/zwobble/couscous/util/NaturalNumbers.java')

diff --git a/src/main/java/org/zwobble/couscous/util/NaturalNumbers.java b/src/main/java/org/zwobble/couscous/util/NaturalNumbers.java
new file mode 100644
index 0000000..1a4b284
--- /dev/null
+++ b/src/main/java/org/zwobble/couscous/util/NaturalNumbers.java
@@ -0,0 +1,24 @@
+package org.zwobble.couscous.util;
+
+import java.util.Iterator;
+
+public class NaturalNumbers implements Iterable<Integer> {
+    public static final Iterable<Integer> INSTANCE = new NaturalNumbers();
+
+    @Override
+    public Iterator<Integer> iterator() {
+        return new Iterator<Integer>() {
+            private int next = 0;
+
+            @Override
+            public boolean hasNext() {
+                return true;
+            }
+
+            @Override
+            public Integer next() {
+                return next++;
+            }
+        };
+    }
+}
-- 
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