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73 lines
2.7 KiB
OCaml
73 lines
2.7 KiB
OCaml
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(*
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copyright (c) 2013, simon cruanes
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all rights reserved.
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redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer. redistributions in binary
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form must reproduce the above copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other materials provided with
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the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*)
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(** {1 GADT Description of Printers}
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This module provides combinators to build printers for user-defined types.
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It doesn't try to do {b pretty}-printing (see for instance Pprint for this),
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but a simple way to print complicated values without writing a lot of code.
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*)
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type 'a sequence = ('a -> unit) -> unit
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type 'a t = Buffer.t -> 'a -> unit
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(** A printer for the type ['a] *)
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(** {2 Combinators} *)
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val unit : unit t (* prints nothing! *)
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val int : int t
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val string : string t
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val bool : bool t
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val float3 : float t (* 3 digits after . *)
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val float : float t
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val list : ?start:string -> ?stop:string -> ?sep:string -> 'a t -> 'a list t
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val array : ?start:string -> ?stop:string -> ?sep:string -> 'a t -> 'a array t
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val arrayi : ?start:string -> ?stop:string -> ?sep:string -> (int * 'a) t -> 'a array t
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val seq : ?start:string -> ?stop:string -> ?sep:string -> 'a t -> 'a sequence t
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val opt : 'a t -> 'a option t
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val pair : 'a t -> 'b t -> ('a * 'b) t
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val triple : 'a t -> 'b t -> 'c t -> ('a * 'b * 'c) t
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val quad : 'a t -> 'b t -> 'c t -> 'd t -> ('a * 'b * 'c * 'd) t
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val map : ('a -> 'b) -> 'b t -> 'a t
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(** {2 IO} *)
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val output : out_channel -> 'a t -> 'a -> unit
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val to_string : 'a t -> 'a -> string
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val sprintf : ('a, Buffer.t, unit, string) format4 -> 'a
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(** print into a string *)
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val fprintf : out_channel -> ('a, Buffer.t, unit, unit) format4 -> 'a
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(** Print on a channel *)
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val printf : ('a, Buffer.t, unit, unit) format4 -> 'a
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val eprintf : ('a, Buffer.t, unit, unit) format4 -> 'a
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