extlib 1.7.4 · OCaml Package

val rev : 'a array -> 'a array

New functions

Array reversal.

val rev_in_place : 'a array -> unit

In-place array reversal. The array argument is updated.

val iter2 : ('a -> 'b -> unit) -> 'a array -> 'b array -> unit

Array.iter2 f [|a1; ...; an|] [|b1; ...; bn|] performs calls f a1 b1; ...; f an bn in that order.

raises Invalid_argument
if the length of a1 does not equal the length of a2.

val map2 : ('a -> 'b -> 'c) -> 'a array -> 'b array -> 'c array

Array.map2 f [|a1; ...; an|] [|b1; ...; bn|] creates new array [|f a1 b1; ...; f an bn|].

raises Invalid_argument
if the length of a1 does not equal the length of a2.

val for_all : ('a -> bool) -> 'a array -> bool

for_all p [a1; ...; an] checks if all elements of the array satisfy the predicate p. That is, it returns (p a1) && (p a2) && ... && (p an).

val exists : ('a -> bool) -> 'a array -> bool

exists p [a1; ...; an] checks if at least one element of the array satisfies the predicate p. That is, it returns (p a1) || (p a2) || ... || (p an).

val mem : 'a -> 'a array -> bool

mem m a is true if and only if m is equal to an element of a.

val memq : 'a -> 'a array -> bool

Same as Array.mem but uses physical equality instead of structural equality to compare array elements.

val find : ('a -> bool) -> 'a array -> 'a

find p a returns the first element of array a that satisfies the predicate p. Raise Not_found if there is no value that satisfies p in the array a.

val findi : ('a -> bool) -> 'a array -> int

findi p a returns the index of the first element of array a that satisfies the predicate p. Raise Not_found if there is no value that satisfies p in the array a.

val filter : ('a -> bool) -> 'a array -> 'a array

filter p a returns all the elements of the array a that satisfy the predicate p. The order of the elements in the input array is preserved.

val find_all : ('a -> bool) -> 'a array -> 'a array

find_all is another name for Array.filter.

val partition : ('a -> bool) -> 'a array -> 'a array * 'a array

partition p a returns a pair of arrays (a1, a2), where a1 is the array of all the elements of a that satisfy the predicate p, and a2 is the array of all the elements of a that do not satisfy p. The order of the elements in the input array is preserved.

Enumerations

val enum : 'a array -> 'a Enum.t

Returns an enumeration of the elements of an array.

val of_enum : 'a Enum.t -> 'a array

Build an array from an enumeration.

Compatibility functions

These functions are reimplemented in extlib when they are missing from the stdlib

val create_float : int -> float array

val make_float : int -> float array

module Floatarray : sig ... end

Old functions

These functions are already part of the Ocaml standard library and have not been modified. Please refer to the Ocaml Manual for documentation.

val length : 'a array -> int

val get : 'a array -> int -> 'a

val set : 'a array -> int -> 'a -> unit

val make : int -> 'a -> 'a array

val create : int -> 'a -> 'a array

val init : int -> (int -> 'a) -> 'a array

val make_matrix : int -> int -> 'a -> 'a array array

val create_matrix : int -> int -> 'a -> 'a array array

val append : 'a array -> 'a array -> 'a array

val concat : 'a array list -> 'a array

val sub : 'a array -> int -> int -> 'a array

val copy : 'a array -> 'a array

val fill : 'a array -> int -> int -> 'a -> unit

val blit : 'a array -> int -> 'a array -> int -> int -> unit

val to_list : 'a array -> 'a list

val of_list : 'a list -> 'a array

val iter : ('a -> unit) -> 'a array -> unit

val map : ('a -> 'b) -> 'a array -> 'b array

val iteri : (int -> 'a -> unit) -> 'a array -> unit

val mapi : (int -> 'a -> 'b) -> 'a array -> 'b array

val fold_left : ('a -> 'b -> 'a) -> 'a -> 'b array -> 'a

val fold_right : ('b -> 'a -> 'a) -> 'b array -> 'a -> 'a

val sort : ('a -> 'a -> int) -> 'a array -> unit

val stable_sort : ('a -> 'a -> int) -> 'a array -> unit

val fast_sort : ('a -> 'a -> int) -> 'a array -> unit

val unsafe_get : 'a array -> int -> 'a

val unsafe_set : 'a array -> int -> 'a -> unit

package extlib

Enumerations

Compatibility functions

Old functions