SketchyLISP Reference |
Copyright (C) 2006 Nils M Holm |
<<[char-downcase] | [Index] | [char-numeric?]>> |
Conformance: R5RS
Purpose: Test whether a char is a lower case character.
Arguments:
X - char
Implementation:
(define (char-lower-case? x) (and (char<=? #\a x) (char<=? x #\z)))
Example:
(char-lower-case? #\z) => #t
See also:
char-upper-case?,
char-alphabetic?.
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