Hi Thorsten, I've used fun? to determine if an argument had the proper form of something that was executable or if it was data. It may not work in all cases, but it was sufficient for my use case. As Alex mentioned, it won't let you know whether it's actually executable or not. I think of it as having the potential to be executable.
Joe On Mon, Jul 1, 2013 at 4:50 AM, Thorsten Jolitz <tjol...@gmail.com> wrote: > dexen deVries <dexen.devr...@gmail.com> > writes: > > > On Monday 01 of July 2013 07:39:49 you wrote: > >> Hi Thorsten, > >> > >> > I wonder if there is a way in PicoLisp to check if some function > >> > argument is a SEXP, i.e. if something like a function 'sexp? exists > that > >> > returns T if the argument is a SEXP. > > > > > > how about (pair 'any) ? basically the opposite of (atom 'any) > > thats probably what I was looking for, thanks, besides the fact that > Alex is of course right about the difficulties with doing these kind of > tests in a dynamic environment. > > -- > cheers, > Thorsten > > -- > UNSUBSCRIBE: mailto:firstname.lastname@example.org?subject=Unsubscribe >