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