hash code and stump of map

src/main/java/carpet/script/value/MapValue.java

@@ -0,0 +1,34 @@
+package carpet.script.value;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+public class MapValue extends AbstractListValue
+{
+    private Map<Value, Value> map;
+    public MapValue()
+    {
+        map = new HashMap<>();
+    }
+
+    @Override
+    public Iterator<Value> iterator()
+    {
+        return map.keySet().iterator();
+    }
+
+    @Override
+    public String getString()
+    {
+        return Arrays.toString(map.entrySet().toArray());
+    }
+
+    @Override
+    public boolean getBoolean()
+    {
+        return !map.isEmpty();
+    }
+
+}