From c71b616f608ecb3165f445e9896f03e9c081a76c Mon Sep 17 00:00:00 2001
From: Rodrigo Rodriguez <me@rodrigorodriguez.com>
Date: Fri, 25 Aug 2023 18:55:49 -0300
Subject: [PATCH] new (basic.gbapp): ALLOW ROLE keyword.

---
 packages/basic.gblib/services/GBVMService.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/basic.gblib/services/GBVMService.ts b/packages/basic.gblib/services/GBVMService.ts
index dc291174..d217c042 100644
--- a/packages/basic.gblib/services/GBVMService.ts
+++ b/packages/basic.gblib/services/GBVMService.ts
@@ -264,7 +264,7 @@ export class GBVMService extends GBService {
 
       // Defines local utility BASIC functions.
 
-      const ubound = (gbarray) => {return gbarray.length - 1};
+      const ubound = (gbarray) => {return gbarray ? gbarray.length - 1: 0};
       const isarray = (gbarray) => {return Array.isArray(gbarray) };
   
       // Proxies remote functions as BASIC functions.