Istari

Char

signature CHAR =
   sig

      type char

      val ord : char -> int
      val chr : int -> char
      val (=) : char -> char -> bool
      val (<>) : char -> char -> bool
      val (<) : char -> char -> bool
      val (<=) : char -> char -> bool
      val (>) : char -> char -> bool
      val (>=) : char -> char -> bool
      val compare : char -> char -> order

   end

structure Char : CHAR where type char = Pervasive.char