Hello,
I don't understand what the manual says about when there are more then two
arguments to map or for-each.
With two arguments, the last one must be a list, so OK is
(for-each display '(1 3))
But the following are ERR,
(for-each display 1 3)
(for-each display '(1 3) '(1 3))
Thanks,
Eric
On 26/08/10 12:17, Eric J. Van der Velden wrote:
Hello,
I don't understand what the manual says about when there are more then
two arguments to map or for-each.
With two arguments, the last one must be a list, so OK is
(for-each display '(1 3))
But the following are ERR,
(for-each display
() "Eric J. Van der Velden"
() Thu, 26 Aug 2010 13:17:38 +0200
But the following are ERR,
(for-each display 1 3) ; A
(for-each display '(1 3) '(1 3)) ; B
The arity of the proc (specifically, the "required" portion)
must concord with the number of lists pa