module Char: sig .. end
Character operations.
let code: char => int;
Return the ASCII code of the argument.
let 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.
let escaped: char => string;
Return a string representing the given character,
with special characters escaped following the lexical conventions
of OCaml.
let lowercase: char => char;
Convert the given character to its equivalent lowercase character.
let uppercase: char => char;
Convert the given character to its equivalent uppercase character.
type t = char;
An alias for the type of characters.
let 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.
