include Stdlib.Char
val code : char -> int
val chr : int -> charval escaped : char -> stringval lowercase : char -> charval uppercase : char -> charval lowercase_ascii : char -> charval uppercase_ascii : char -> char
type t = char
val compare : t -> t -> intval equal : t -> t -> bool
val unsafe_chr : int -> char
val (<) : char -> char -> boolval (<=) : char -> char -> boolval (<>) : char -> char -> boolval (=) : char -> char -> boolval (>) : char -> char -> boolval (>=) : char -> char -> boolval compare : char -> char -> intval equal : char -> char -> bool
val is_alpha : char -> boolval is_num : char -> boolval lowercase_ascii : char -> charval uppercase_ascii : char -> char