Added Indexer1d helper from gamefloor.

library/Library.csproj

@@ -95,6 +95,7 @@
     <Compile Include="Support\AssertHelper.cs" />
     <Compile Include="Support\EncodedString4.cs" />
     <Compile Include="Support\EncodedString5.cs" />
+    <Compile Include="Support\Indexer1d.cs" />
     <Compile Include="Support\LazyKeyValuePair.cs" />
     <Compile Include="Support\LocalizedString.cs" />
     <Compile Include="Support\LogHelper.cs" />

library/Support/Indexer1d.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace PkmnFoundations.Support
+{
+    /// <summary>
+    /// Helper class to aid with the implementation of non-default indexers
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    public class Indexer1d<TKey, TValue> : IReadOnlyIndexer1d<TKey, TValue>, IWriteOnlyIndexer1d<TKey, TValue>
+    {
+        public Indexer1d(Getter1d<TKey, TValue> getter, Setter1d<TKey, TValue> setter)
+        {
+            m_getter = getter;
+            m_setter = setter;
+        }
+
+        private Getter1d<TKey, TValue> m_getter;
+        private Setter1d<TKey, TValue> m_setter;
+
+        public TValue this[TKey index]
+        {
+            get
+            {
+                return m_getter(index);
+            }
+            set
+            {
+                m_setter(index, value);
+            }
+        }
+    }
+
+    public class ReadOnlyIndexer1d<TKey, TValue> : IReadOnlyIndexer1d<TKey, TValue>
+    {
+        public ReadOnlyIndexer1d(Getter1d<TKey, TValue> getter)
+        {
+            m_getter = getter;
+        }
+
+        private Getter1d<TKey, TValue> m_getter;
+        
+        public TValue this[TKey index]
+        {
+            get
+            {
+                return m_getter(index);
+            }
+        }
+    }
+
+    public interface IReadOnlyIndexer1d<in TKey, out TValue>
+    {
+        TValue this[TKey index] { get; }
+    }
+
+    public interface IWriteOnlyIndexer1d<in TKey, in TValue>
+    {
+        TValue this[TKey index] { set; }
+    }
+
+    public delegate TValue Getter1d<TKey, TValue>(TKey index);
+    public delegate void Setter1d<TKey, TValue>(TKey index, TValue value);
+}