Re: Can the code of a function obtain the names of its arguments?
- To: mathgroup at smc.vnet.net
- Subject: [mg124408] Re: Can the code of a function obtain the names of its arguments?
- From: "Oleksandr Rasputinov" <oleksandr_rasputinov at hmamail.com>
- Date: Thu, 19 Jan 2012 05:05:44 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- References: <jf68qh$g85$1@smc.vnet.net>
On Wed, 18 Jan 2012 11:01:37 -0000, 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?)
names[args___] := HoldForm /@ Unevaluated[{args}];
SetAttributes[names, HoldAll];
In :=
a = 1; b = 2;
names[a, b, {a, b}]
Out =
{HoldForm[a], HoldForm[b], HoldForm[{a, b}]}