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Parameters
From: |
Sebastian Tennant |
Subject: |
Parameters |
Date: |
Mon, 04 Feb 2008 15:51:49 +0200 |
User-agent: |
Gnus/5.110007 (No Gnus v0.7) Emacs/22.1 (gnu/linux) |
Hi list,
No doubt something of a newbie question this...
This simple procedure behaves as expected, i.e., it provides the sum of
a list of numbers:
(define add
(lambda (l)
(if (null? l)
0
(+ (add (cdr l)) (car l)))))
whereas this procedure results in a stack overflow:
(define add
(lambda l
(if (null? l)
0
(+ (add (cdr l)) (car l)))))
the only difference being the designation of the formal parameter of the
anonymous procedure; l or (l).
Why is this?
Regards,
Sebastian
- Parameters,
Sebastian Tennant <=