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gets the code of a character or reversely.
char_code(+Char, -CharCode)
char_code(-Char, +CharCode)
If Char is an atom with length 1 then CharCode gets unified
with the code of Char.
If Char is a variable then Char gets unified with the character
belonging to CharCode.
Arguments
Char character (atom with length=1)
CharCode integer (character code of unicode charater
between 0'\u0000 and 0'\uffff)
Examples
| char_code('a', X). | Succeeds with substitution X <- 97 |
| char_code(Y, 98). | Succeeds with substitution Y <- 98 |
| char_code('c', 99). | Succeeds. |
Standard
This predicate is part of the ISO-Prolog Standard.
See also
atom_chars/2, atom_codes/2, atom_concat/3, atom_length/2, atom_number/2, number_chars/2, number_codes/2, parse_atom/2/3, sub_atom/5.| document: http://www.ifcomputer.co.jp/MINERVA/Manual/Reference/Predicates/atomic_term/char_code/print_en.html published 2008/11/17 update 1998/8/11 (c) 1996-2006 IF Computer Japan | ||||||||
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