On Sat, Aug 23, 2014 at 3:13 PM, Alexander Burger <[email protected]> wrote: >> Is there somewhere some info about "" being NIL? > http://software-lab.de/doc/ref.html#nilSym > http://software-lab.de/doc/ref.html#nilSym-io
Thanks. I knew about this links, I just wanted to know why. >> The language I'm trying to embed in PicoLisp would love to have >> "" and NIL different ! > > Why? I believe this is a wonderful feature! A lot of PicoLisp's > expressive power is a result of this universality of NIL. This kind of answers my question ! I understand this being a power, a kind of polymorphism, like in Python where the boolean value of "", [],… is False. But in the language I design, I'd like to have separate values for "" and NIL. In fact, NIL doesn't exists at all! I'm afraid this is a big problem for me. Maybe I'll try with a special symbol… chri -- http://profgra.org/lycee/ (site pro) http://delicious.com/profgraorg (liens, favoris) https://twitter.com/profgraorg http://microalg.info -- UNSUBSCRIBE: mailto:[email protected]?subject=Unsubscribe
