member (was: Re: To `boundp' or not to `boundp'?)

[Emanuel Berg]

Barry Margolin <barmar@alum.mit.edu> writes:

> It's no more misleading than MEMBER, which
> intuitively seems like it would just return
> a boolean, but actually returns the tail of the list
> where the element was found.

I guess one can do something like this. But probably
it will only lead to even more confusion.

    (defun memberp (e l)
      (when (member e l) t) )

    (memberp 1 '(1 2 3 4)) ; t
    (memberp 0 '(1 2 3 4)) ; nil

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