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83 lines
2.9 KiB
OCaml
83 lines
2.9 KiB
OCaml
(*
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copyright (c) 2013-2014, 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 Array utils} *)
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type 'a t = 'a array
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val empty : 'a t
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val map : ('a -> 'b) -> 'a t -> 'b t
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val foldi : ('b -> int -> 'a -> 'b) -> 'b -> 'a t -> 'b
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(** fold left on array, with index *)
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val filter : ('a -> bool) -> 'a t -> 'a t
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(** Filter elements out of the array. Only the elements satisfying
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the given predicate will be kept. *)
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val reverse_in_place : 'a t -> unit
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(** Reverse the array in place *)
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val filter_map : ('a -> 'b option) -> 'a t -> 'b t
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(** Map each element into another value, or discard it *)
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val flat_map : ('a -> 'b t) -> 'a t -> 'b t
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(** transform each element into an array, then flatten *)
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val (>>=) : 'a t -> ('a -> 'b t) -> 'b t
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(** Infix version of {!flat_map} *)
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val for_all : ('a -> bool) -> 'a t -> bool
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val for_all2 : ('a -> 'a -> bool) -> 'a t -> 'a t -> bool
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(** Forall on pairs of arrays.
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@raise Invalid_argument if they have distinct lengths *)
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val exists : ('a -> bool) -> 'a t -> bool
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val (--) : int -> int -> int t
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(** Range array *)
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val except_idx : 'a t -> int -> 'a list
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(** Remove given index *)
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val shuffle : 'a t -> unit
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(** shuffle randomly the array, in place *)
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val shuffle_with : Random.State.t -> 'a t -> unit
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(** Like shuffle but using a specialized random state *)
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val pp: ?sep:string -> (Buffer.t -> 'a -> unit)
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-> Buffer.t -> 'a t -> unit
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(** print an array of items with printing function *)
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val pp_i: ?sep:string -> (Buffer.t -> int -> 'a -> unit)
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-> Buffer.t -> 'a t -> unit
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(** print an array, giving the printing function both index and item *)
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val print : ?sep:string -> (Format.formatter -> 'a -> unit)
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-> Format.formatter -> 'a t -> unit
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(** print an array of items with printing function *)
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