package core_kernel

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package core_kernel
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This module extends Base.Array.

The Array type

type 'a t = 'a Base.Array.t
include sig ... end
val bin_t : 'a Bin_prot.Type_class.t -> 'a t Bin_prot.Type_class.t
val bin_read_t : 'a Bin_prot.Read.reader -> 'a t Bin_prot.Read.reader
val __bin_read_t__ : 'a Bin_prot.Read.reader -> (Base.Int.t -> 'a t) Bin_prot.Read.reader
val bin_reader_t : 'a Bin_prot.Type_class.reader -> 'a t Bin_prot.Type_class.reader
val bin_size_t : 'a Bin_prot.Size.sizer -> 'a t Bin_prot.Size.sizer
val bin_write_t : 'a Bin_prot.Write.writer -> 'a t Bin_prot.Write.writer
val bin_writer_t : 'a Bin_prot.Type_class.writer -> 'a t Bin_prot.Type_class.writer
val bin_shape_t : Bin_prot.Shape.t -> Bin_prot.Shape.t
val typerep_of_t : 'a Typerep_lib.Std.Typerep.t -> 'a t Typerep_lib.Std.Typerep.t
val typename_of_t : 'a Typerep_lib.Std.Typename.t -> 'a t Typerep_lib.Std.Typename.t

The signature included from Base.Array

include module type of struct include Base.Array end with type 'a t := 'a t
val compare : ('a -> 'a -> int) -> 'a t -> 'a t -> int
val t_of_sexp : (Base__.Ppx_sexp_conv_lib.Sexp.t -> 'a) -> Base__.Ppx_sexp_conv_lib.Sexp.t -> 'a t
val sexp_of_t : ('a -> Base__.Ppx_sexp_conv_lib.Sexp.t) -> 'a t -> Base__.Ppx_sexp_conv_lib.Sexp.t
val binary_search_segmented : ('a t, 'a) Base__.Binary_searchable_intf.binary_search_segmented
val mem : 'a t -> 'a -> equal:('a -> 'a -> bool) -> bool
val length : 'a t -> int
val is_empty : 'a t -> bool
val iter : 'a t -> f:('a -> unit) -> unit
val fold : 'a t -> init:'accum -> f:('accum -> 'a -> 'accum) -> 'accum
val fold_result : 'a t -> init:'accum -> f:('accum -> 'a -> ('accum, 'e) Base__.Result.t) -> ('accum, 'e) Base__.Result.t
val fold_until : 'a t -> init:'accum -> f:('accum -> 'a -> ('accum, 'final) Base__.Container_intf.Continue_or_stop.t) -> finish:('accum -> 'final) -> 'final
val exists : 'a t -> f:('a -> bool) -> bool
val for_all : 'a t -> f:('a -> bool) -> bool
val count : 'a t -> f:('a -> bool) -> int
val sum : (module Base__.Commutative_group.S with type t = 'sum) -> 'a t -> f:('a -> 'sum) -> 'sum
val find : 'a t -> f:('a -> bool) -> 'a option
val find_map : 'a t -> f:('a -> 'b option) -> 'b option
val to_list : 'a t -> 'a list
val to_array : 'a t -> 'a array
val min_elt : 'a t -> compare:('a -> 'a -> int) -> 'a option
val max_elt : 'a t -> compare:('a -> 'a -> int) -> 'a option
val invariant : 'a Base__.Invariant_intf.inv -> 'a t Base__.Invariant_intf.inv
val max_length : int
val get : 'a t -> int -> 'a
val set : 'a t -> int -> 'a -> unit
val unsafe_get : 'a t -> int -> 'a
val unsafe_set : 'a t -> int -> 'a -> unit
val create : len:int -> 'a -> 'a t
val init : int -> f:(int -> 'a) -> 'a t
val make_matrix : dimx:int -> dimy:int -> 'a -> 'a t t
val append : 'a t -> 'a t -> 'a t
val concat : 'a t list -> 'a t
val copy : 'a t -> 'a t
val fill : 'a t -> pos:int -> len:int -> 'a -> unit
val blit : ('a t, 'a t) Base__.Blit_intf.blit
val blito : ('a t, 'a t) Base__.Blit_intf.blito
val unsafe_blit : ('a t, 'a t) Base__.Blit_intf.blit
val sub : ('a t, 'a t) Base__.Blit_intf.sub
val subo : ('a t, 'a t) Base__.Blit_intf.subo
val of_list : 'a list -> 'a t
val map : 'a t -> f:('a -> 'b) -> 'b t
val folding_map : 'a t -> init:'b -> f:('b -> 'a -> 'b * 'c) -> 'c t
val folding_mapi : 'a t -> init:'b -> f:(int -> 'b -> 'a -> 'b * 'c) -> 'c t
val fold_map : 'a t -> init:'b -> f:('b -> 'a -> 'b * 'c) -> 'b * 'c t
val fold_mapi : 'a t -> init:'b -> f:(int -> 'b -> 'a -> 'b * 'c) -> 'b * 'c t
val iteri : 'a t -> f:(int -> 'a -> unit) -> unit
val mapi : 'a t -> f:(int -> 'a -> 'b) -> 'b t
val foldi : 'a t -> init:'b -> f:(int -> 'b -> 'a -> 'b) -> 'b
val fold_right : 'a t -> f:('a -> 'b -> 'b) -> init:'b -> 'b
val sort : ?pos:int -> ?len:int -> 'a t -> compare:('a -> 'a -> int) -> unit
val stable_sort : 'a t -> compare:('a -> 'a -> int) -> unit
val is_sorted : 'a t -> compare:('a -> 'a -> int) -> bool
val is_sorted_strictly : 'a t -> compare:('a -> 'a -> int) -> bool
val concat_map : 'a t -> f:('a -> 'b array) -> 'b array
val concat_mapi : 'a t -> f:(int -> 'a -> 'b array) -> 'b array
val partition_tf : 'a t -> f:('a -> bool) -> 'a t * 'a t
val partitioni_tf : 'a t -> f:(int -> 'a -> bool) -> 'a t * 'a t
val cartesian_product : 'a t -> 'b t -> ('a * 'b) t
val transpose : 'a t t -> 'a t t option
val transpose_exn : 'a t t -> 'a t t
val filter_opt : 'a option t -> 'a t
val filter_map : 'a t -> f:('a -> 'b option) -> 'b t
val filter_mapi : 'a t -> f:(int -> 'a -> 'b option) -> 'b t
val for_alli : 'a t -> f:(int -> 'a -> bool) -> bool
val existsi : 'a t -> f:(int -> 'a -> bool) -> bool
val counti : 'a t -> f:(int -> 'a -> bool) -> int
val iter2_exn : 'a t -> 'b t -> f:('a -> 'b -> unit) -> unit
val map2_exn : 'a t -> 'b t -> f:('a -> 'b -> 'c) -> 'c t
val fold2_exn : 'a t -> 'b t -> init:'c -> f:('c -> 'a -> 'b -> 'c) -> 'c
val for_all2_exn : 'a t -> 'b t -> f:('a -> 'b -> bool) -> bool
val exists2_exn : 'a t -> 'b t -> f:('a -> 'b -> bool) -> bool
val filter : 'a t -> f:('a -> bool) -> 'a t
val filteri : 'a t -> f:(int -> 'a -> bool) -> 'a t
val swap : 'a t -> int -> int -> unit
val rev_inplace : 'a t -> unit
val of_list_rev : 'a list -> 'a t
val of_list_map : 'a list -> f:('a -> 'b) -> 'b t
val of_list_rev_map : 'a list -> f:('a -> 'b) -> 'b t
val replace : 'a t -> int -> f:('a -> 'a) -> unit
val replace_all : 'a t -> f:('a -> 'a) -> unit
  • deprecated [since 2018-03] use [map_inplace] instead
val map_inplace : 'a t -> f:('a -> 'a) -> unit
val find_exn : 'a t -> f:('a -> bool) -> 'a
val find_map_exn : 'a t -> f:('a -> 'b option) -> 'b
val findi : 'a t -> f:(int -> 'a -> bool) -> (int * 'a) option
val findi_exn : 'a t -> f:(int -> 'a -> bool) -> int * 'a
val find_mapi : 'a t -> f:(int -> 'a -> 'b option) -> 'b option
val find_mapi_exn : 'a t -> f:(int -> 'a -> 'b option) -> 'b
val find_consecutive_duplicate : 'a t -> equal:('a -> 'a -> bool) -> ('a * 'a) option
val reduce : 'a t -> f:('a -> 'a -> 'a) -> 'a option
val reduce_exn : 'a t -> f:('a -> 'a -> 'a) -> 'a
val permute : ?random_state:Base__.Random.State.t -> 'a t -> unit
val random_element : ?random_state:Base__.Random.State.t -> 'a t -> 'a option
val random_element_exn : ?random_state:Base__.Random.State.t -> 'a t -> 'a
val zip : 'a t -> 'b t -> ('a * 'b) t option
val zip_exn : 'a t -> 'b t -> ('a * 'b) t
val unzip : ('a * 'b) t -> 'a t * 'b t
val sorted_copy : 'a t -> compare:('a -> 'a -> int) -> 'a t
val last : 'a t -> 'a
val empty : unit -> 'a t
  • deprecated [since 2016-04] Use [ [||] ]
val equal : 'a t -> 'a t -> equal:('a -> 'a -> bool) -> bool
val unsafe_truncate : 'a t -> len:int -> unit
val to_sequence : 'a t -> 'a Base__.Sequence.t
val to_sequence_mutable : 'a t -> 'a Base__.Sequence.t
module Private = Array.Private

Extensions

We add extensions for Int and Float arrays to make them bin-able, comparable, sexpable, and blit-able (via Blit.S). Permissioned provides fine-grained access control for arrays.

Operations supporting "normalized" indexes are also available.

module Int : sig ... end
module Float : sig ... end
val normalize : 'a t -> Base.Int.t -> Base.Int.t

normalize array index returns a new index into the array such that if the index is less than zero, the returned index will "wrap around" -- i.e., array.(normalize array (-1)) returns the last element of the array.

val slice : 'a t -> Base.Int.t -> Base.Int.t -> 'a t

slice t start stop returns a new array including elements t.(start) through t.(stop-1), normalized Python-style with the exception that stop = 0 is treated as stop = length t.

val nget : 'a t -> Base.Int.t -> 'a

Array access with normalized index.

val nset : 'a t -> Base.Int.t -> 'a -> Base.Unit.t

Array modification with normalized index.

module Permissioned : sig ... end

The Permissioned module gives the ability to restrict permissions on an array, so you can give a function read-only access to an array, create an immutable array, etc.

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