Re: 'Unknown' and three-valued logic
- Posted by Matthew Lewis <matthewwalkerlewis at YAHOO.COM> Nov 28, 2002
- 382 views
--- Derek Parnell <ddparnell at bigpond.com> wrote: > I proposed the need for knowing whether or not a variable has been > initialized to RDS a long time ago. Also I mentioned the usefulness of > setting a variable back to its uninitialized state. RDS declined to > incorporate these into the language. It is obvious that the Euphoria > interpreter can ALREADY determine if a variable is initialized or not, > however there is no programmer access to that information. As an aside, my modified interpreter (check the archives) only returns a variable id if the variable has been initialized. Matt Lewis