[r6rs-discuss] "Unspecified"

[John Cowan]

Sam Tobin-Hochstadt scripsit:

> If you want the undefined value, you can usually get it with:
> 
> (letrec ((x x)) x)
> 
> This works in PLT, Gambit, Larceny, Chicken and Bigloo.  Scsh produces
> an error.  

In Chicken, at least, it's the same as the value of (if #f #f) and
the Chicken-specific procedure (void).

-- 
John Cowan    cowan at ccil.org    http://ccil.org/~cowan
Half the lies they tell about me are true.
        -- Tallulah Bankhead, American actress