From 1f5cabbb44744310673f7cd28f2cf95df28fe9e5 Mon Sep 17 00:00:00 2001
From: Jérémy Zurcher <jeremy@asynk.ch>
Date: Mon, 11 Jan 2016 01:33:22 +0100
Subject: ArrayListIt: add addUnique

---
 core/src/ch/asynk/rustanddust/engine/util/ArrayListIt.java | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'core/src/ch/asynk/rustanddust')

diff --git a/core/src/ch/asynk/rustanddust/engine/util/ArrayListIt.java b/core/src/ch/asynk/rustanddust/engine/util/ArrayListIt.java
index 37e4b1fb..16990ebf 100644
--- a/core/src/ch/asynk/rustanddust/engine/util/ArrayListIt.java
+++ b/core/src/ch/asynk/rustanddust/engine/util/ArrayListIt.java
@@ -38,6 +38,13 @@ public class ArrayListIt<E> extends ArrayList<E> implements Iterator, Iterable<E
         return remove(0);
     }
 
+    public boolean addUnique(E e)
+    {
+        if (contains(e)) return false;
+        super.add(e);
+        return true;
+    }
+
     @Override
     @SuppressWarnings("unchecked")
     public Iterator<E> iterator()
-- 
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