[gambit-list] Is there a way to return "nothing"?

Christian Jaeger christian at pflanze.mine.nu
Mon Apr 30 11:10:29 EDT 2007


Adrien Pierard wrote:
> I was last week wondering about something really close to thise question
> :
> Is it possible to write a macro that expands to nothing ?
> (ideally, a portable way to do it)
>   

I think the best way is to return '(begin) from the macro (that's what I
do and also many other people; other solutions include #!void (syntax
not portable), #f (but doesn't hint as well at bugs, or similar values).

Christian.



More information about the Gambit-list mailing list