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Re: Making a lambda-expr more like a fn
- To: info-macl@cambridge.apple.com
- Subject: Re: Making a lambda-expr more like a fn
- From: Ray Pelletier <rp23+@andrew.cmu.edu>
- Date: Wed, 18 Nov 1992 10:59:13 -0500 (EST)
- Cc:
- In-reply-to: <9211160703.AA22159@gremlin>
While reading the messages about turning lambda expressions
into functions, it seemed to me that the following might be reasonable...
(defmacro with-environment ((var) &body body &environment env)
`(let ((,var ',env))
,@body))
In an artificial example..
(let ((x 0))
(with-environment (env)
(setf counter-fn
(enclose '(lambda () (incf x)) env))))
However...
? (let ((x 'non-nil-environment))
(declare (ignore x))
(with-environment (var) var))
#<BOGUS object @ #x5DF871>
?
Does this work in any Lisp?
Should it?
--Ray Pelletier