1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
module type S = module type of Array
module type ExtS =
sig
include S
val compare : ('a -> 'a -> int) -> 'a array -> 'a array -> int
(** First size comparison, then lexicographic order. *)
val equal : ('a -> 'a -> bool) -> 'a array -> 'a array -> bool
(** Lift equality to array type. *)
val equal_norefl : ('a -> 'a -> bool) -> 'a array -> 'a array -> bool
(** Like {!equal} but does not assume that equality is reflexive: no
optimisation is performed if both arrays are physically the
same. *)
val is_empty : 'a array -> bool
(** True whenever the array is empty. *)
val exists : ('a -> bool) -> 'a array -> bool
(** As [List.exists] but on arrays. *)
val exists2 : ('a -> 'b -> bool) -> 'a array -> 'b array -> bool
val for_all : ('a -> bool) -> 'a array -> bool
val for_all2 : ('a -> 'b -> bool) -> 'a array -> 'b array -> bool
val for_all3 : ('a -> 'b -> 'c -> bool) ->
'a array -> 'b array -> 'c array -> bool
val for_all4 : ('a -> 'b -> 'c -> 'd -> bool) ->
'a array -> 'b array -> 'c array -> 'd array -> bool
val for_all_i : (int -> 'a -> bool) -> int -> 'a array -> bool
val findi : (int -> 'a -> bool) -> 'a array -> int option
val hd : 'a array -> 'a
(** First element of an array, or [Failure "Array.hd"] if empty. *)
val tl : 'a array -> 'a array
(** Remaining part of [hd], or [Failure "Array.tl"] if empty. *)
val last : 'a array -> 'a
(** Last element of an array, or [Failure "Array.last"] if empty. *)
val cons : 'a -> 'a array -> 'a array
(** Append an element on the left. *)
val rev : 'a array -> unit
(** In place reversal. *)
val fold_right_i :
(int -> 'b -> 'a -> 'a) -> 'b array -> 'a -> 'a
val fold_left_i : (int -> 'a -> 'b -> 'a) -> 'a -> 'b array -> 'a
val fold_right2 :
('a -> 'b -> 'c -> 'c) -> 'a array -> 'b array -> 'c -> 'c
val fold_left2 :
('a -> 'b -> 'c -> 'a) -> 'a -> 'b array -> 'c array -> 'a
val fold_left3 :
('a -> 'b -> 'c -> 'd -> 'a) -> 'a -> 'b array -> 'c array -> 'd array -> 'a
val fold_left2_i :
(int -> 'a -> 'b -> 'c -> 'a) -> 'a -> 'b array -> 'c array -> 'a
val fold_left_from : int -> ('a -> 'b -> 'a) -> 'a -> 'b array -> 'a
val map_to_list : ('a -> 'b) -> 'a array -> 'b list
(** Composition of [map] and [to_list]. *)
val map_of_list : ('a -> 'b) -> 'a list -> 'b array
(** Composition of [map] and [of_list]. *)
val chop : int -> 'a array -> 'a array * 'a array
(** [chop i a] returns [(a1, a2)] s.t. [a = a1 + a2] and [length a1 = n].
Raise [Failure "Array.chop"] if [i] is not a valid index. *)
val smartmap : ('a -> 'a) -> 'a array -> 'a array
(** [smartmap f a] behaves as [map f a] but returns [a] instead of a copy when
[f x == x] for all [x] in [a]. *)
val smartfoldmap : ('r -> 'a -> 'r * 'a) -> 'r -> 'a array -> 'r * 'a array
(** Same as [smartmap] but threads an additional state left-to-right. *)
val map2 : ('a -> 'b -> 'c) -> 'a array -> 'b array -> 'c array
val map2_i : (int -> 'a -> 'b -> 'c) -> 'a array -> 'b array -> 'c array
val map3 :
('a -> 'b -> 'c -> 'd) -> 'a array -> 'b array -> 'c array -> 'd array
val map_left : ('a -> 'b) -> 'a array -> 'b array
(** As [map] but guaranteed to be left-to-right. *)
val iter2 : ('a -> 'b -> unit) -> 'a array -> 'b array -> unit
(** Iter on two arrays. Raise [Invalid_argument "Array.iter2"] if sizes differ. *)
val fold_left_map : ('a -> 'b -> 'a * 'c) -> 'a -> 'b array -> 'a * 'c array
(** [fold_left_map f e_0 [|l_1...l_n|] = e_n,[|k_1...k_n|]]
where [(e_i,k_i)=f e_{i-1} l_i] *)
val fold_right_map : ('a -> 'c -> 'b * 'c) -> 'a array -> 'c -> 'b array * 'c
(** Same, folding on the right *)
val fold_left2_map : ('a -> 'b -> 'c -> 'a * 'd) -> 'a -> 'b array -> 'c array -> 'a * 'd array
(** Same with two arrays, folding on the left *)
val fold_right2_map : ('a -> 'b -> 'c -> 'd * 'c) -> 'a array -> 'b array -> 'c -> 'd array * 'c
(** Same with two arrays, folding on the left *)
val fold_map : ('a -> 'b -> 'a * 'c) -> 'a -> 'b array -> 'a * 'c array
[@@ocaml.deprecated "Same as [fold_left_map]"]
val fold_map' : ('a -> 'c -> 'b * 'c) -> 'a array -> 'c -> 'b array * 'c
[@@ocaml.deprecated "Same as [fold_right_map]"]
val fold_map2' :
('a -> 'b -> 'c -> 'd * 'c) -> 'a array -> 'b array -> 'c -> 'd array * 'c
[@@ocaml.deprecated "Same as [fold_right2_map]"]
val distinct : 'a array -> bool
(** Return [true] if every element of the array is unique (for default
equality). *)
val rev_of_list : 'a list -> 'a array
(** [rev_of_list l] is equivalent to [Array.of_list (List.rev l)]. *)
val rev_to_list : 'a array -> 'a list
(** [rev_to_list a] is equivalent to [List.rev (List.of_array a)]. *)
val filter_with : bool list -> 'a array -> 'a array
(** [filter_with b a] selects elements of [a] whose corresponding element in
[b] is [true]. Raise [Invalid_argument _] when sizes differ. *)
end
include ExtS
module Fun1 :
sig
val map : ('r -> 'a -> 'b) -> 'r -> 'a array -> 'b array
(** [Fun1.map f x v = map (f x) v] *)
val smartmap : ('r -> 'a -> 'a) -> 'r -> 'a array -> 'a array
(** [Fun1.smartmap f x v = smartmap (f x) v] *)
val iter : ('r -> 'a -> unit) -> 'r -> 'a array -> unit
(** [Fun1.iter f x v = iter (f x) v] *)
end
(** The functions defined in this module are the same as the main ones, except
that they are all higher-order, and their function arguments have an
additional parameter. This allows us to prevent closure creation in critical
cases. *)
|