Sujet : Re: Undefined in LISP
De : dan.list (at) *nospam* lispclub.com (Daniel Cerqueira)
Groupes : comp.lang.lispDate : 22. Mar 2025, 13:07:14
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <87ecyp9slp.fsf@lispclub.com>
References : 1 2
User-Agent : Gnus/5.13 (Gnus v5.13)
Lawrence D'Oliveiro <
ldo@nz.invalid> writes:
On Fri, 21 Mar 2025 22:47:38 +0000, Daniel Cerqueira wrote:
>
I would like to know your thoughts, about what being undefined actually
is. Should an undefined expression be represented by a symbol, or should
an undefined expression be silent (without returning a symbol)?
>
Should an attempt to evaluate such an expression even terminate?
My opinion is that it should...
-- The pioneers of a warless world are the youth thatrefuse military service. ~ Albert Einstein
Undefined in LISP
Re: Undefined in LISP
