13.2.10 digit-char [Function]

digit-char weight &optional radix ⇒ char

Arguments and Values::

weight—a non-negative integer.

radix—a radix. The default is 10.

char—a character or false.

Description::

If weight is less than radix, digit-char returns a character which has that weight when considered as a digit in the specified radix. If the resulting character is to be an alphabetic_1 character, it will be an uppercase character.

If weight is greater than or equal to radix, digit-char returns false.

Examples::

 (digit-char 0) ⇒  #\0
 (digit-char 10 11) ⇒  #\A
 (digit-char 10 10) ⇒  false
 (digit-char 7) ⇒  #\7
 (digit-char 12) ⇒  false
 (digit-char 12 16) ⇒  #\C  ;not #\c
 (digit-char 6 2) ⇒  false
 (digit-char 1 2) ⇒  #\1

See Also::

digit-char-p , graphic-char-p , Character Syntax

Notes::