Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!ncar!boulder!andreasg
From: andreasg@boulder.Colorado.EDU (Andreas Girgensohn)
Newsgroups: comp.lang.lisp
Subject: Re: Scope of EVAL (was: Re: Summing a list)
Message-ID: <4345@boulder.Colorado.EDU>
Date: 28 Oct 88 04:17:10 GMT
References: <10794@srcsip.UUCP> <10813@srcsip.UUCP> <249@pitstop.UUCP> <4154@phoenix.Princeton.EDU>
Sender: news@boulder.Colorado.EDU
Reply-To: andreasg@boulder.Colorado.EDU (Andreas Girgensohn)
Organization: University of Colorado, Boulder
Lines: 14

In article <4154@phoenix.Princeton.EDU> eliot@phoenix.Princeton.EDU (Eliot Handelman) writes:
>Is that really true?  In the following example, EVAL consults the lexical
>environment, rather that the global.
>
>(setq x nil)
>
>And now (let* ((x t) (y x)) (eval y)) => t

EVAL evaluates its argument so that the above call of eval is the same
as (eval 't).  (eval 'y) will lead to an error unless y is a special
variable.

Andreas Girgensohn
andreasg@boulder.colorado.edu