[r6rs-discuss] "Unspecified"

[Dan Muresan]

> which I do use in my program. PLT doesn't provide a direct way to get the
> "undefined" value, so I'm glad to see the "unspecified" value given

I'm not sure what you mean by "direct way", but

(define x (if #f #f))

works. Interestingly, (define x (values)) does not work, so PLT
distinguishes between 0 values and undefined.


Best,
Dan Muresan
http://alumnus.caltech.edu/~muresan