(defun indiscriminate (fun)
(lambda (&rest rest) (apply fun rest)))
+;;; asymmetric test arg order example from ANSI FIND definition page
+(assert (eql #\space ; original example, depends on ASCII character ordering
+ (find #\d "here are some letters that can be looked at"
+ :test #'char>)))
+(assert (eql #\e ; modified example, depends only on standard a-z ordering
+ (find #\f "herearesomeletters" :test #'char>)))
+(assert (eql 4 ; modified more, avoids charset technicalities completely
+ (find 5 '(6 4) :test '>)))
+
;;; tests of FIND, POSITION, FIND-IF, and POSITION-IF (and a few for
;;; deprecated FIND-IF-NOT and POSITION-IF-NOT too)
(for-every-seq #()
(null (position-if-not #'packagep seq :key nil))))
(for-every-seq #(1)
'((null (find 2 seq))
+ ;; Get the argument ordering for asymmetric tests like #'> right.
+ ;; (bug reported and fixed by Alexey Dejneka sbcl-devel 2001-10-17)
+ (eql 1 (find 2 seq :test #'>))
(find 2 seq :key #'1+)
(find 1 seq :from-end t)
(null (find 1 seq :from-end t :start 1))
(for-every-seq #(1 2 3 2 1)
'((find 3 seq)
(find 3 seq :from-end 'yes)
+ (eql 1 (position 1.5 seq :test #'<))
(eql 0 (position 0 seq :key '1-))
(eql 4 (position 0 seq :key '1- :from-end t))
(eql 2 (position 4 seq :key '1+))
(eql 5 (position-if (lambda (c) (equal #\g c)) seq))
(eql 5 (position-if (lambda (c) (equal #\g c)) seq :from-end t))
(find-if #'characterp seq)
- (find-if #'(lambda (c) (typep c 'base-char)) seq :from-end t)
+ (find-if (lambda (c) (typep c 'base-char)) seq :from-end t)
(null (find-if 'upper-case-p seq))))
;;; success