Merge branch 'master' into 1.15

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

@@ -1,5 +1,6 @@
 package carpet.script.value;
 
+import carpet.script.LazyValue;
 import carpet.script.exception.InternalExpressionException;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.registry.Registry;
@@ -86,6 +87,12 @@ public class ListValue extends AbstractListValue implements ContainerValueInterf
         return ListValue.wrap(Arrays.asList(list));
     }
 
+    public static LazyValue lazyEmpty()
+    {
+        Value ret = new ListValue();
+        return (c, t) -> ret;
+    }
+
     private ListValue()
     {
         items = new ArrayList<>();