proposal to modify op and args

• Subject: proposal to modify op and args
• From: Robert Dodier
• Date: Sun, 7 May 2006 16:00:20 -0600

On 5/7/06, van Nek <van.Nek at gmx.net> wrote:

> generally a good idea. I would be nice to have a return
> value instead of an error.

Thanks for your support.

> What is the advantage of returning false? Another possibility would be
>
> op(<atom>);  --> < identity function>
> args(<atom>);  -->  <atom>

Well, op('foo) => foo but op(foo(x)) => foo also, so that confounds
foo atoms with expressions in which foo is the operator.
I don't think we want that.

All the best,
Robert Dodier

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