implement EntityFunction

common/src/test/java/structure/ParserTest.java

@@ -78,11 +78,6 @@ public class ParserTest {
             return position;
         }
 
-        @Override
-        public String name() {
-            return null;
-        }
-
         @Override
         public ReturnType returnType() {
             return ReturnType.VOID;