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SketchyLISP
Reference
  Copyright (C) 2007
Nils M Holm

char-ci>=?

Conformance: R5RS Scheme

Purpose: Case-insensitively test whether a sequence of chars is in lexically non-ascending order.

Arguments:
X - char
Y... - chars

Model:

(define char-ci>=?
  (predicate-iterator
    (lambda (x y)
      (>= (char->integer (char-downcase x))
          (char->integer (char-downcase y))))))

Implementation:

; This function is a primitive function.

Example:

(char-ci>=? #\B #\b #\A) 
=> #t

See also:
char>=?, char-ci<?, char-ci=?, char-ci>?, char-ci<=?, string>=?, equal?.