From ce99297b3e4e46070d4f0eb4f5d05ee9c090dd53 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Zurcher?= <jeremy@asynk.ch>
Date: Wed, 10 Feb 2016 11:21:13 +0100
Subject: Collection,IterableArray: add indexOf(E)

---
 core/src/ch/asynk/rustanddust/engine/util/Collection.java    |  2 ++
 core/src/ch/asynk/rustanddust/engine/util/IterableArray.java | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/core/src/ch/asynk/rustanddust/engine/util/Collection.java b/core/src/ch/asynk/rustanddust/engine/util/Collection.java
index a7b5a02..67ea169 100644
--- a/core/src/ch/asynk/rustanddust/engine/util/Collection.java
+++ b/core/src/ch/asynk/rustanddust/engine/util/Collection.java
@@ -16,6 +16,8 @@ public interface Collection<E> extends Iterator, Iterable<E>
 
     public E get(int idx);
 
+    public int indexOf(E e);
+
     public boolean add(E e);
 
     public E remove(int idx);
diff --git a/core/src/ch/asynk/rustanddust/engine/util/IterableArray.java b/core/src/ch/asynk/rustanddust/engine/util/IterableArray.java
index 1b965fc..f1473dd 100644
--- a/core/src/ch/asynk/rustanddust/engine/util/IterableArray.java
+++ b/core/src/ch/asynk/rustanddust/engine/util/IterableArray.java
@@ -72,6 +72,16 @@ public class IterableArray<E> implements Collection<E>
     }
 
     @Override
+    public int indexOf(E e)
+    {
+        for (int i = 0; i < data.length; i++) {
+            if (data[i] != null && data[i].equals(e))
+                return i;
+        }
+        return -1;
+    }
+
+    @Override
     public boolean add(E e)
     {
         ensureCapacity(s + 1);
-- 
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