Update ring/samples/other/changeisnull.ring
@@ -2,7 +2,7 @@ NULL = "anything"
if isNull(NULL) { ?"It's null" else? "It's not null" }
func isNULL(value)
- if value = NULL or value = "" or value = "NULL"
+ if value = NULL or trim(value) = "" or upper(trim(value)) = "NULL"
return true
ok
return false
\ No newline at end of file
