Reorganize

src/main/java/com/volmit/iris/util/Contained.java

@@ -0,0 +1,33 @@
+package ninja.bytecode.iris.util;
+
+import java.util.function.Function;
+
+public class Contained<T>
+{
+	private T t;
+
+	public Contained(T t)
+	{
+		set(t);
+	}
+
+	public Contained()
+	{
+		this(null);
+	}
+	
+	public void mod(Function<T, T> x)
+	{
+		set(x.apply(t));
+	}
+
+	public T get()
+	{
+		return t;
+	}
+
+	public void set(T t)
+	{
+		this.t = t;
+	}
+}