Services & Resources / Wolfram Forums / MathGroup Archive
-----

MathGroup Archive 2012

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Can the code of a function obtain the names of its arguments?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg124413] Re: Can the code of a function obtain the names of its arguments?
  • From: Bob Hanlon <hanlonr357 at gmail.com>
  • Date: Thu, 19 Jan 2012 05:07:31 -0500 (EST)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <201201181059.FAA16568@smc.vnet.net>

Use the attribute HoldAll

SetAttributes[f,HoldAll];

f[x_,y_,z_]:=Module[
    {arg={HoldForm[x],HoldForm[y],HoldForm[z]}},
    Thread[arg->{x,y,z}]];

a=1;b=2;c=3;

f[a,b,c]

{a->1,b->2,c->3}


Bob Hanlon

On Wed, Jan 18, 2012 at 5:59 AM, James Stein <mathgroup at stein.org> wrote:
> I fear the answer is no, because I suspect that once values are bound to
> the names, there might seem to be scant use in keeping the names around.
>
> But I have a little debugging routine in mind I'd like to implement, so I'm
> hoping the answer is yes. (And if yes, how?)



-- 
Bob Hanlon



  • Prev by Date: Re: Question about function
  • Next by Date: Re: Can the code of a function obtain the names of its arguments?
  • Previous by thread: Can the code of a function obtain the names of its arguments?
  • Next by thread: Re: Can the code of a function obtain the names of its arguments?