Create CCArray_sliceLabels

This commit is contained in:
Christopher Zimmermann 2018-10-11 20:16:40 +02:00 committed by Simon Cruanes
parent 7822f3a045
commit c6a3fe86eb
5 changed files with 274 additions and 2 deletions

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@ -1,3 +1,5 @@
(* AUTOGENERATED FROM CCArray_sliceLabels.mli *)
(* This file is free software, part of containers. See file "license" for more details. *) (* This file is free software, part of containers. See file "license" for more details. *)
@ -153,13 +155,13 @@ val find_idx : ('a -> bool) -> 'a t -> (int * 'a) option
and [p x] holds. Otherwise returns [None]. and [p x] holds. Otherwise returns [None].
@since 0.3.4 *) @since 0.3.4 *)
val lookup : cmp:'a ord -> 'a -> 'a t -> int option val lookup : cmp:('a ord) -> 'a -> 'a t -> int option
(** [lookup ~cmp x as] lookups the index [i] of some key [x] in the slice [as], provided [as] is (** [lookup ~cmp x as] lookups the index [i] of some key [x] in the slice [as], provided [as] is
sorted using [cmp]. sorted using [cmp].
@return [None] if the key [x] is not present, or @return [None] if the key [x] is not present, or
[Some i] ([i] the index of the key) otherwise. *) [Some i] ([i] the index of the key) otherwise. *)
val lookup_exn : cmp:'a ord -> 'a -> 'a t -> int val lookup_exn : cmp:('a ord) -> 'a -> 'a t -> int
(** [lookup_exn ~cmp x as] is like {!lookup}, but (** [lookup_exn ~cmp x as] is like {!lookup}, but
@raise Not_found if the key [x] is not present. *) @raise Not_found if the key [x] is not present. *)

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@ -0,0 +1,4 @@
(* This file is free software, part of containers. See file "license" for more details. *)
include CCArray_slice

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@ -0,0 +1,259 @@
(* This file is free software, part of containers. See file "license" for more details. *)
(** {1 Array Slice} *)
type 'a sequence = ('a -> unit) -> unit
type 'a klist = unit -> [`Nil | `Cons of 'a * 'a klist]
type 'a gen = unit -> 'a option
type 'a equal = 'a -> 'a -> bool
type 'a ord = 'a -> 'a -> int
type 'a random_gen = Random.State.t -> 'a
type 'a printer = Format.formatter -> 'a -> unit
type 'a t
(** The type for an array slice, containing elements of type ['a] *)
val empty : 'a t
(** [empty] is the empty array slice. *)
val equal : 'a equal -> 'a t equal
(** [equal eq as1 as2] is [true] if the lengths of [as1] and [as2] are the same
and if the corresponding elements test equal using [eq]. *)
val compare : 'a ord -> 'a t ord
(** [compare cmp as1 as2] compares the two slices [as1] and [as2] using
the comparison function [cmp], element by element. *)
val get : 'a t -> int -> 'a
(** [get as n] returns the element number [n] of slice [as].
The first element has number 0.
The last element has number [length as - 1].
You can also write [as.(n)] instead of [get as n].
Raise [Invalid_argument "index out of bounds"]
if [n] is outside the range 0 to [(length as - 1)]. *)
val get_safe : 'a t -> int -> 'a option
(** [get_safe as i] returns [Some as.(i)] if [i] is a valid index.
@since 0.18 *)
val make : 'a array -> int -> len:(int [@keep_label]) -> 'a t
(** [make a i ~len] creates a slice from given offset [i] and length [len] of the given array [a].
@raise Invalid_argument if the slice isn't valid. *)
val of_slice : ('a array * int * int) -> 'a t
(** [of_slice (a, i, len)] makes a slice from a triple [(a, i, len)] where [a] is the array,
[i] the offset in [a], and [len] the number of elements of the slice.
@raise Invalid_argument if the slice isn't valid (See {!make}). *)
val to_slice : 'a t -> ('a array * int * int)
(** [to_slice as] converts the slice [as] into a triple [(a, i, len)] where [len] is the length of
the sub-array of [a] starting at offset [i]. *)
val to_list : 'a t -> 'a list
(** [to_list as] converts the slice [as] directly to a list.
@since 1.0 *)
val full : 'a array -> 'a t
(** [full a] creates a slice that covers the full array [a]. *)
val underlying : 'a t -> 'a array
(** [underlying as] returns the underlying array (shared). Modifying this array will modify
the slice [as]. *)
val copy : 'a t -> 'a array
(** [copy as] copies the slice [as] into a new array. *)
val sub : 'a t -> int -> int -> 'a t
(** [sub as i len] builds a new sub-slice that contains the given subrange specified
by the index [i] and the length [len]. *)
val set : 'a t -> int -> 'a -> unit
(** [set as n x] modifies the slice [as] in place, replacing
element number [n] with [x].
You can also write [as.(n) <- x] instead of [set as n x].
Raise [Invalid_argument "index out of bounds"]
if [n] is outside the range 0 to [length as - 1]. *)
val length : _ t -> int
(** [length as] returns the length (number of elements) of the given slice [as]. *)
val fold : ('a -> 'b -> 'a) -> 'a -> 'b t -> 'a
(** [fold f acc as] computes [f (... (f (f acc as.(0)) as.(1)) ...) as.(length as - 1)]. *)
val foldi : ('a -> int -> 'b -> 'a) -> 'a -> 'b t -> 'a
(** [foldi f acc as] is just like {!fold} but it also passes in the index of each element
as the second argument to the folded function [f]. *)
val fold_while : ('a -> 'b -> 'a * [`Stop | `Continue]) -> 'a -> 'b t -> 'a
(** [fold_while f acc as] folds left on slice [as] until a stop condition via [('a, `Stop)]
is indicated by the accumulator.
@since 0.8 *)
val iter : ('a -> unit) -> 'a t -> unit
(** [iter f as] applies function [f] in turn to all elements of [as].
It is equivalent to [f as.(0); f as.(1); ...; f as.(length as - 1); ()]. *)
val iteri : (int -> 'a -> unit) -> 'a t -> unit
(** [iteri f as] is like {!iter}, but the function [f] is applied with the index of the element
as first argument, and the element itself as second argument. *)
val blit : 'a t -> int -> 'a t -> int -> int -> unit
(** [blit as1 o1 as2 o2 len] copies [len] elements
from slice [as1], starting at element number [o1], to slice [as2],
starting at element number [o2]. It works correctly even if
[as1] and [as2] are the same slice, and the source and
destination chunks overlap.
Raise [Invalid_argument "CCArray_slice.blit"] if [o1] and [len] do not
designate a valid subarray of [as1], or if [o2] and [len] do not
designate a valid subarray of [as2]. *)
val reverse_in_place : 'a t -> unit
(** [reverse_in_place as] reverses the slice [as] in place. *)
val sorted : ('a -> 'a -> int) -> 'a t -> 'a array
(** [sorted cmp as] makes a copy of [as] and sorts it with [cmp].
@since 1.0 *)
val sort_indices : ('a -> 'a -> int) -> 'a t -> int array
(** [sort_indices cmp as] returns a new array [b], with the same length as [as],
such that [b.(i)] is the index at which the [i]-th element of [sorted cmp as]
appears in [as]. [as] is not modified.
In other words, [map (fun i -> as.(i)) (sort_indices cmp as) = sorted cmp as].
[sort_indices] yields the inverse permutation of {!sort_ranking}.
@since 1.0 *)
val sort_ranking : ('a -> 'a -> int) -> 'a t -> int array
(** [sort_ranking cmp as] returns a new array [b], with the same length as [as],
such that [b.(i)] is the index at which the [i]-th element of [as] appears
in [sorted cmp as]. [as] is not modified.
In other words, [map (fun i -> (sorted cmp as).(i)) (sort_ranking cmp as) = as].
[sort_ranking] yields the inverse permutation of {!sort_indices}.
In the absence of duplicate elements in [as], we also have
[lookup_exn as.(i) (sorted as) = (sorted_ranking as).(i)].
@since 1.0 *)
val find : ('a -> 'b option) -> 'a t -> 'b option
(** [find f as] returns [Some y] if there is an element [x] such
that [f x = Some y]. Otherwise returns [None]. *)
val findi : (int -> 'a -> 'b option) -> 'a t -> 'b option
(** [findi f as] is like {!find}, but the index of the element is also passed
to the predicate function [f].
@since 0.3.4 *)
val find_idx : ('a -> bool) -> 'a t -> (int * 'a) option
(** [find_idx p as] returns [Some (i,x)] where [x] is the [i]-th element of [as],
and [p x] holds. Otherwise returns [None].
@since 0.3.4 *)
val lookup : cmp:(('a ord) [@keep_label]) -> 'a -> 'a t -> int option
(** [lookup ~cmp x as] lookups the index [i] of some key [x] in the slice [as], provided [as] is
sorted using [cmp].
@return [None] if the key [x] is not present, or
[Some i] ([i] the index of the key) otherwise. *)
val lookup_exn : cmp:(('a ord) [@keep_label]) -> 'a -> 'a t -> int
(** [lookup_exn ~cmp x as] is like {!lookup}, but
@raise Not_found if the key [x] is not present. *)
val bsearch : cmp:(('a -> 'a -> int) [@keep_label]) -> 'a -> 'a t ->
[ `All_lower | `All_bigger | `Just_after of int | `Empty | `At of int ]
(** [bsearch ~cmp x as] finds the index of the object [x] in the slice [as],
provided [as] is {b sorted} using [cmp]. If the slice is not sorted,
the result is not specified (may raise Invalid_argument).
Complexity: [O(log n)] where n is the length of the slice [as]
(dichotomic search).
@return
- [`At i] if [cmp as.(i) x = 0] (for some i).
- [`All_lower] if all elements of [as] are lower than [x].
- [`All_bigger] if all elements of [as] are bigger than [x].
- [`Just_after i] if [as.(i) < x < as.(i+1)].
- [`Empty] if the slice [as] is empty.
@raise Invalid_argument if the slice is found to be unsorted w.r.t [cmp].
@since 0.13 *)
val for_all : ('a -> bool) -> 'a t -> bool
(** [for_all p [|as1; ...; asn|]] checks if all elements of the slice
satisfy the predicate [p]. That is, it returns
[(p as1) && (p as2) && ... && (p asn)]. *)
val for_all2 : ('a -> 'b -> bool) -> 'a t -> 'b t -> bool
(** [for_all2 p [|as1; ...; asn|] [|bs1; ...; bsn|]] is [true] if each pair of elements [asi bsi]
satisfies the predicate [p].
That is, it returns [(p as1 bs1) && (p as2 bs2) && ... && (p asn bsn)].
@raise Invalid_argument if slices have distinct lengths.
Allow different types.
@since 0.20 *)
val exists : ('a -> bool) -> 'a t -> bool
(** [exists p [|as1; ...; asn|]] is [true] if at least one element of
the slice satisfies the predicate [p]. That is, it returns
[(p as1) || (p as2) || ... || (p asn)]. *)
val exists2 : ('a -> 'b -> bool) -> 'a t -> 'b t -> bool
(** [exists2 p [|as1; ...; asn|] [|bs1; ...; bsn|]] is [true] if any pair of elements [asi bsi]
satisfies the predicate [p].
That is, it returns [(p as1 bs1) || (p as2 bs2) || ... || (p asn bsn)].
@raise Invalid_argument if slices have distinct lengths.
Allow different types.
@since 0.20 *)
val fold2 : ('acc -> 'a -> 'b -> 'acc) -> 'acc -> 'a t -> 'b t -> 'acc
(** [fold2 f acc as bs] fold on two slices [as] and [bs] stepwise.
It computes [f (... (f acc as1 bs1)...) asn bsn].
@raise Invalid_argument if slices have distinct lengths.
@since 0.20 *)
val iter2 : ('a -> 'b -> unit) -> 'a t -> 'b t -> unit
(** [iter2 f as bs] iterates on the two slices [as] and [bs] stepwise.
It is equivalent to [f as0 bs0; ...; f as.(length as - 1) bs.(length bs - 1); ()].
@raise Invalid_argument if slices have distinct lengths.
@since 0.20 *)
val shuffle : 'a t -> unit
(** [shuffle as] randomly shuffles the slice [as], in place. *)
val shuffle_with : Random.State.t -> 'a t -> unit
(** [shuffle_with rs as] randomly shuffles the slice [as] (like {!shuffle}) but a specialized random
state [rs] is used to control the random numbers being produced during shuffling (for reproducibility). *)
val random_choose : 'a t -> 'a random_gen
(** [random_choose as rs] randomly chooses an element of [as].
@raise Not_found if the array/slice is empty. *)
val to_seq : 'a t -> 'a sequence
(** [to_seq as] returns a [sequence] of the elements of a slice [as].
The input slice [as] is shared with the sequence and modification of it will result
in modification of the sequence. *)
val to_gen : 'a t -> 'a gen
(** [to_gen as] returns a [gen] of the elements of a slice [as]. *)
val to_klist : 'a t -> 'a klist
(** [to_klist as] returns a [klist] of the elements of a slice [as]. *)
(** {2 IO} *)
val pp: ?sep:string -> 'a printer -> 'a t printer
(** [pp ~sep pp_item ppf as] formats the slice [as] on [ppf].
Each element is formatted with [pp_item] and elements are separated
by [sep] (defaults to ", "). *)
val pp_i: ?sep:string -> (int -> 'a printer) -> 'a t printer
(** [pp_i ~sep pp_item ppf as] prints the slice [as] on [ppf].
The printing function [pp_item] is giving both index and element.
Elements are separated by [sep] (defaults to ", "). *)

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@ -6,6 +6,7 @@
module Array = CCArray module Array = CCArray
module ArrayLabels = CCArrayLabels module ArrayLabels = CCArrayLabels
module Array_slice = CCArray_slice module Array_slice = CCArray_slice
module Array_sliceLabels = CCArray_sliceLabels
module Bool = CCBool module Bool = CCBool
module Char = Char module Char = Char
module Equal = CCEqual module Equal = CCEqual

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(mode promote) (mode promote)
(action (run ../unlabel.exe %{deps} %{targets}))) (action (run ../unlabel.exe %{deps} %{targets})))
(rule
(targets CCArray_slice.mli)
(deps CCArray_sliceLabels.mli)
(mode promote)
(action (run ../unlabel.exe %{deps} %{targets})))
(rule (rule
(targets CCList.mli) (targets CCList.mli)
(deps CCListLabels.mli) (deps CCListLabels.mli)