SketchyLISP Reference |
Copyright (C) 2006 Nils M Holm |
<<[char<?] | [Index] | [char=?]>> |
Conformance: R5RS
Purpose: Test whether two chars are in lexically non-descending order.
Arguments:
X - char
Y - char
Implementation:
(define (char<=? x y) (eq? (char>? x y) #f))
Example:
(char<=? #\b #\b) => #t
See also:
char-ci<=?,
char<?,
char=?,
char>?,
char>=?,
string<=?,
equal?.
<<[char<?] | [Index] | [char=?]>> |