ocaml-containers/src/core/CCChar.mli
2018-03-26 11:35:31 -05:00

47 lines
1.4 KiB
OCaml

(* This file is free software, part of containers. See file "license" for more details. *)
(** {1 Utils around char}
@since 0.14 *)
include module type of struct include Char end
val equal : t -> t -> bool
(** The equal function for chars. *)
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}. *)
val lowercase_ascii : t -> t
(** Convert the given character to its equivalent lowercase character,
using the US-ASCII character set.
@since 0.20 *)
val uppercase_ascii : t -> t
(** Convert the given character to its equivalent uppercase character,
using the US-ASCII character set.
@since 0.20 *)
val of_int_exn : int -> t
(** Alias to {!Char.chr}.
Return the character with the given ASCII code.
@raise Invalid_argument if the int is not within [0,...,255].
@since 1.0 *)
val of_int : int -> t option
(** Safe version of {!of_int_exn}.
@since 1.0 *)
val to_int : t -> int
(** Alias to {!Char.code}.
Return the ASCII code of the argument.
@since 1.0 *)
val pp_buf : Buffer.t -> t -> unit
(** Renamed from [pp] since 2.0. *)
val pp : Format.formatter -> t -> unit
(** Renamed from [print] since 2.0. *)