package incr_dom_widgets

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package incr_dom_widgets
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Module
Module type
Parameter
Class
Class type
module Key : sig ... end
type 'a t

A hash-queue, where the values are of type 'a.

val sexp_of_t : ('a -> Ppx_sexp_conv_lib.Sexp.t) -> 'a t -> Ppx_sexp_conv_lib.Sexp.t
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

invariant t checks the invariants of the queue.

val invariant : 'a t -> Base.Unit.t
val create : ?growth_allowed:Base.Bool.t -> ?size:Base.Int.t -> Base.Unit.t -> 'a t

create () returns an empty queue. The arguments growth_allowed and size are referring to the underlying hashtable.

  • parameter growth_allowed

    defaults to true

  • parameter size

    initial size -- default to 16

val clear : 'a t -> Base.Unit.t

Clears the queue.

Finding elements

val mem : 'a t -> Key.t -> Base.Bool.t

mem q k returns true iff there is some (k, v) in the queue.

val lookup : 'a t -> Key.t -> 'a Base.Option.t

lookup t k returns the value of the key-value pair in the queue with key k, if there is one.

val lookup_exn : 'a t -> Key.t -> 'a

Adding, removing, and replacing elements

Note that even the non-*_exn versions can raise, but only if there is an ongoing iteration.

val enqueue : 'a t -> Key.t -> 'a -> [ `Ok | `Key_already_present ]

enqueue t k v adds the key-value pair (k, v) to the end of the queue, returning `Ok if the pair was added, or `Key_already_present if there is already a (k, v') in the queue.

val enqueue_exn : 'a t -> Key.t -> 'a -> Base.Unit.t
val lookup_and_move_to_back : 'a t -> Key.t -> 'a Base.Option.t
val lookup_and_move_to_back_exn : 'a t -> Key.t -> 'a
val first : 'a t -> 'a Base.Option.t

first t returns the front element of the queue, without removing it.

val first_with_key : 'a t -> (Key.t * 'a) Base.Option.t

first_with_key t returns the front element of the queue and its key, without removing it.

val keys : 'a t -> Key.t Base.List.t

keys t returns the keys in the order of the queue.

val dequeue : 'a t -> 'a Base.Option.t

dequeue t returns the front element of the queue.

val dequeue_exn : 'a t -> 'a
val dequeue_with_key : 'a t -> (Key.t * 'a) Base.Option.t

dequeue_with_key t returns the front element of the queue and its key.

val dequeue_with_key_exn : 'a t -> Key.t * 'a
val dequeue_all : 'a t -> f:('a -> Base.Unit.t) -> Base.Unit.t

dequeue_all t ~f dequeues every element of the queue and applies f to each one.

val remove : 'a t -> Key.t -> [ `Ok | `No_such_key ]

remove q k removes the key-value pair with key k from the queue.

val remove_exn : 'a t -> Key.t -> Base.Unit.t
val replace : 'a t -> Key.t -> 'a -> [ `Ok | `No_such_key ]

replace q k v changes the value of key k in the queue to v.

val replace_exn : 'a t -> Key.t -> 'a -> Base.Unit.t

Iterating over elements

val iteri : 'a t -> f:(key:Key.t -> data:'a -> Base.Unit.t) -> Base.Unit.t

iter t ~f applies f to each key and element of the queue.

val foldi : 'a t -> init:'b -> f:('b -> key:Key.t -> data:'a -> 'b) -> 'b
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