zl:1 - FTP

least-positive-single-float 288
I
least-positive-single-float
Constant
The value of least-positive-single-float is that positive floating-point number
in single- float format closest in value (but not equal to) zero.
length sequence Function
length returns the number of elements in sequence as a non-negative integer.
If the sequence is a vector with a fill pointer, the "active length" as
specified by the fill pointer is returned.
sequence can be either a list or a vector (one-dimensional array). Note that
nil is considered to be a sequence, of length zero.
For example:
(length 'e»~
=> B
(length '(a be» => 3
(length '(a (b c) de» => 4
(length (vector 'a 'b Ie 'd 'e» => 5
See the section "Array Leaders" in Symbolics Common Lisp: Language Concepts.
For a table of related items: See the section "Functions for Finding Information
About Lists and Conses" in Symbolics Common Lisp: Language Concepts.
For a table of related items: See the section "Sequence Construction and
Access" in Symbolics Common Lisp: Language Concepts.
zl:length list Function
zl:length returns the length of list. The length of a list is the number of
elements in it. Examples:
(21 :length nil) => B
(21 :length '(a bed» => 4
(21 :length '(a (b c) d» => 3
zl:length could have been defined by:
or by:
(defun length (x)
(cond «atom x) B)
«1+ (21 :length (cdr x»» »