list tweaks

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

@@ -0,0 +1,21 @@
+package carpet.script.value;
+
+import carpet.script.exception.InternalExpressionException;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.util.registry.Registry;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static java.lang.Math.abs;
+
+public abstract class AbstractListValue extends Value
+{
+    public abstract Iterator<Value> iterator();
+    public void fatality() { }
+}