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6.7.3 The character type

Character constants are written as single characters enclosed in single quotes. You can use the relational operators (<, <=, >, >=, ==) to sort characters by ASCII order. You can cast a character to a real to get its ASCII value. You can cast a real ASCII value to a character.

                                                      
  (int) 'A' == 65
  (char) 65 == 'A'
  is_digit x = '0' <= x && x <= '9'


next up previous contents
Next: 6.7.4 The boolean type Up: 6.7 Operators Previous: 6.7.2 The complex type   Contents
John Cupitt 2004-12-20