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.
typet =
char
An alias for the type of characters.
val compare : t -> t -> int
The comparison function for characters, with the same specification as
Stdlib.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
.