Module Char

module Char: sig  end

Character operations.

val code : char -> int

Return the ASCII code of the argument.

val chr : int -> char

Return the character with the given ASCII code. Raise Invalid_argument "Char.chr" if the argument is outside the range 0--255.

val escaped : char -> string

Return a string representing the given character, with special characters escaped following the lexical conventions of Objective Caml.

val lowercase : char -> char

Convert the given character to its equivalent lowercase character.

val uppercase : char -> char

Convert the given character to its equivalent uppercase character.

An alias for the type of characters.

val compare : t -> t -> int

The comparison function for characters, with the same specification as Pervasives.compare. Along with the type t, this function compare allows the module Char to be passed as argument to the functors Set.Make and Map.Make.