(defun char= (character &rest more-characters)
#!+sb-doc
"Return T if all of the arguments are the same character."
+ (declare (truly-dynamic-extent more-characters))
(dolist (c more-characters t)
(declare (type character c))
(unless (eq c character) (return nil))))
(defun char/= (character &rest more-characters)
#!+sb-doc
"Return T if no two of the arguments are the same character."
+ (declare (truly-dynamic-extent more-characters))
(do* ((head character (car list))
(list more-characters (cdr list)))
((null list) t)
(defun char< (character &rest more-characters)
#!+sb-doc
"Return T if the arguments are in strictly increasing alphabetic order."
+ (declare (truly-dynamic-extent more-characters))
(do* ((c character (car list))
(list more-characters (cdr list)))
((null list) t)
(defun char> (character &rest more-characters)
#!+sb-doc
"Return T if the arguments are in strictly decreasing alphabetic order."
+ (declare (truly-dynamic-extent more-characters))
(do* ((c character (car list))
(list more-characters (cdr list)))
((null list) t)
(defun char<= (character &rest more-characters)
#!+sb-doc
"Return T if the arguments are in strictly non-decreasing alphabetic order."
+ (declare (truly-dynamic-extent more-characters))
(do* ((c character (car list))
(list more-characters (cdr list)))
((null list) t)
(defun char>= (character &rest more-characters)
#!+sb-doc
"Return T if the arguments are in strictly non-increasing alphabetic order."
+ (declare (truly-dynamic-extent more-characters))
(do* ((c character (car list))
(list more-characters (cdr list)))
((null list) t)
(ucd-value-1 ,ch)
(char-code ,ch)))))
+(defun two-arg-char-equal (c1 c2)
+ (= (equal-char-code c1) (equal-char-code c2)))
+
(defun char-equal (character &rest more-characters)
#!+sb-doc
"Return T if all of the arguments are the same character.
Font, bits, and case are ignored."
+ (declare (truly-dynamic-extent more-characters))
(do ((clist more-characters (cdr clist)))
((null clist) t)
- (unless (= (equal-char-code (car clist))
- (equal-char-code character))
+ (unless (two-arg-char-equal (car clist) character)
(return nil))))
+(defun two-arg-char-not-equal (c1 c2)
+ (/= (equal-char-code c1) (equal-char-code c2)))
+
(defun char-not-equal (character &rest more-characters)
#!+sb-doc
"Return T if no two of the arguments are the same character.
Font, bits, and case are ignored."
+ (declare (truly-dynamic-extent more-characters))
(do* ((head character (car list))
(list more-characters (cdr list)))
((null list) t)
(unless (do* ((l list (cdr l)))
((null l) t)
- (if (= (equal-char-code head)
- (equal-char-code (car l)))
+ (if (two-arg-char-equal head (car l))
(return nil)))
(return nil))))
+(defun two-arg-char-lessp (c1 c2)
+ (< (equal-char-code c1) (equal-char-code c2)))
+
(defun char-lessp (character &rest more-characters)
#!+sb-doc
"Return T if the arguments are in strictly increasing alphabetic order.
Font, bits, and case are ignored."
+ (declare (truly-dynamic-extent more-characters))
(do* ((c character (car list))
(list more-characters (cdr list)))
((null list) t)
- (unless (< (equal-char-code c)
- (equal-char-code (car list)))
+ (unless (two-arg-char-lessp c (car list))
(return nil))))
+(defun two-arg-char-greaterp (c1 c2)
+ (> (equal-char-code c1) (equal-char-code c2)))
+
(defun char-greaterp (character &rest more-characters)
#!+sb-doc
"Return T if the arguments are in strictly decreasing alphabetic order.
Font, bits, and case are ignored."
+ (declare (truly-dynamic-extent more-characters))
(do* ((c character (car list))
(list more-characters (cdr list)))
((null list) t)
- (unless (> (equal-char-code c)
- (equal-char-code (car list)))
+ (unless (two-arg-char-greaterp c (car list))
(return nil))))
+(defun two-arg-char-not-greaterp (c1 c2)
+ (<= (equal-char-code c1) (equal-char-code c2)))
+
(defun char-not-greaterp (character &rest more-characters)
#!+sb-doc
"Return T if the arguments are in strictly non-decreasing alphabetic order.
Font, bits, and case are ignored."
+ (declare (truly-dynamic-extent more-characters))
(do* ((c character (car list))
(list more-characters (cdr list)))
((null list) t)
- (unless (<= (equal-char-code c)
- (equal-char-code (car list)))
+ (unless (two-arg-char-not-greaterp c (car list))
(return nil))))
+(defun two-arg-char-not-lessp (c1 c2)
+ (>= (equal-char-code c1) (equal-char-code c2)))
+
(defun char-not-lessp (character &rest more-characters)
#!+sb-doc
"Return T if the arguments are in strictly non-increasing alphabetic order.
Font, bits, and case are ignored."
+ (declare (truly-dynamic-extent more-characters))
(do* ((c character (car list))
(list more-characters (cdr list)))
((null list) t)
- (unless (>= (equal-char-code c)
- (equal-char-code (car list)))
+ (unless (two-arg-char-not-lessp c (car list))
(return nil))))
\f
;;;; miscellaneous functions