Proto environment: clean Array
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@ -18,6 +18,10 @@
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* Import version 4.04.0
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* Remove unsafe functions
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* Remove deprecated functions
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* Remove set, copy, fill, blit, sort, stable_sort, fast_sort:
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mutability
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* iter, iteri, iter2: imperative
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* mem, memq: Use (=) and (==)
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*)
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@ -35,14 +39,6 @@ external get : 'a array -> int -> 'a = "%array_safe_get"
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Raise [Invalid_argument "index out of bounds"]
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if [n] is outside the range 0 to [(Array.length a - 1)]. *)
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external set : 'a array -> int -> 'a -> unit = "%array_safe_set"
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(** [Array.set a n x] modifies array [a] in place, replacing
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element number [n] with [x].
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You can also write [a.(n) <- x] instead of [Array.set a n x].
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Raise [Invalid_argument "index out of bounds"]
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if [n] is outside the range 0 to [Array.length a - 1]. *)
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external make : int -> 'a -> 'a array = "caml_make_vect"
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(** [Array.make n x] returns a fresh array of length [n],
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initialized with [x].
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@ -100,28 +96,6 @@ val sub : 'a array -> int -> int -> 'a array
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designate a valid subarray of [a]; that is, if
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[start < 0], or [len < 0], or [start + len > Array.length a]. *)
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val copy : 'a array -> 'a array
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(** [Array.copy a] returns a copy of [a], that is, a fresh array
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containing the same elements as [a]. *)
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val fill : 'a array -> int -> int -> 'a -> unit
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(** [Array.fill a ofs len x] modifies the array [a] in place,
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storing [x] in elements number [ofs] to [ofs + len - 1].
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Raise [Invalid_argument "Array.fill"] if [ofs] and [len] do not
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designate a valid subarray of [a]. *)
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val blit : 'a array -> int -> 'a array -> int -> int -> unit
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(** [Array.blit v1 o1 v2 o2 len] copies [len] elements
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from array [v1], starting at element number [o1], to array [v2],
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starting at element number [o2]. It works correctly even if
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[v1] and [v2] are the same array, and the source and
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destination chunks overlap.
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Raise [Invalid_argument "Array.blit"] if [o1] and [len] do not
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designate a valid subarray of [v1], or if [o2] and [len] do not
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designate a valid subarray of [v2]. *)
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val to_list : 'a array -> 'a list
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(** [Array.to_list a] returns the list of all the elements of [a]. *)
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@ -133,16 +107,6 @@ val of_list : 'a list -> 'a array
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(** {6 Iterators} *)
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val iter : ('a -> unit) -> 'a array -> unit
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(** [Array.iter f a] applies function [f] in turn to all
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the elements of [a]. It is equivalent to
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[f a.(0); f a.(1); ...; f a.(Array.length a - 1); ()]. *)
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val iteri : (int -> 'a -> unit) -> 'a array -> unit
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(** Same as {!Array.iter}, but the
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function is applied with the index of the element as first argument,
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and the element itself as second argument. *)
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val map : ('a -> 'b) -> 'a array -> 'b array
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(** [Array.map f a] applies function [f] to all the elements of [a],
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and builds an array with the results returned by [f]:
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@ -167,12 +131,6 @@ val fold_right : ('b -> 'a -> 'a) -> 'b array -> 'a -> 'a
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(** {6 Iterators on two arrays} *)
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val iter2 : ('a -> 'b -> unit) -> 'a array -> 'b array -> unit
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(** [Array.iter2 f a b] applies function [f] to all the elements of [a]
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and [b].
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Raise [Invalid_argument] if the arrays are not the same size.
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@since 4.03.0 *)
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val map2 : ('a -> 'b -> 'c) -> 'a array -> 'b array -> 'c array
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(** [Array.map2 f a b] applies function [f] to all the elements of [a]
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and [b], and builds an array with the results returned by [f]:
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@ -196,58 +154,4 @@ val exists : ('a -> bool) -> 'a array -> bool
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[(p a1) || (p a2) || ... || (p an)].
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@since 4.03.0 *)
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val mem : 'a -> 'a array -> bool
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(** [mem a l] is true if and only if [a] is equal
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to an element of [l].
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@since 4.03.0 *)
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val memq : 'a -> 'a array -> bool
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(** Same as {!Array.mem}, but uses physical equality instead of structural
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equality to compare array elements.
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@since 4.03.0 *)
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(** {6 Sorting} *)
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val sort : ('a -> 'a -> int) -> 'a array -> unit
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(** Sort an array in increasing order according to a comparison
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function. The comparison function must return 0 if its arguments
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compare as equal, a positive integer if the first is greater,
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and a negative integer if the first is smaller (see below for a
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complete specification). For example, {!Pervasives.compare} is
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a suitable comparison function, provided there are no floating-point
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NaN values in the data. After calling [Array.sort], the
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array is sorted in place in increasing order.
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[Array.sort] is guaranteed to run in constant heap space
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and (at most) logarithmic stack space.
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The current implementation uses Heap Sort. It runs in constant
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stack space.
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Specification of the comparison function:
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Let [a] be the array and [cmp] the comparison function. The following
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must be true for all x, y, z in a :
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- [cmp x y] > 0 if and only if [cmp y x] < 0
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- if [cmp x y] >= 0 and [cmp y z] >= 0 then [cmp x z] >= 0
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When [Array.sort] returns, [a] contains the same elements as before,
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reordered in such a way that for all i and j valid indices of [a] :
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- [cmp a.(i) a.(j)] >= 0 if and only if i >= j
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*)
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val stable_sort : ('a -> 'a -> int) -> 'a array -> unit
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(** Same as {!Array.sort}, but the sorting algorithm is stable (i.e.
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elements that compare equal are kept in their original order) and
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not guaranteed to run in constant heap space.
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The current implementation uses Merge Sort. It uses [n/2]
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words of heap space, where [n] is the length of the array.
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It is usually faster than the current implementation of {!Array.sort}.
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*)
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val fast_sort : ('a -> 'a -> int) -> 'a array -> unit
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(** Same as {!Array.sort} or {!Array.stable_sort}, whichever is faster
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on typical input.
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*)
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