package logtk

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  1. Lazy List
package logtk
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Lazy List

Used for iterating lazily over a stream (possibly infinite). The point of using 'a lazy_t for the tail is that once a list node is forced (evaluated), it is memoized and will not be re-computed if accessed again. This is important for lazy lists of elements that are expensive to compute.

type 'a node =
  1. | Nil
  2. | Cons of 'a * 'a t
and 'a t = 'a node Lazy.t
val nil : 'a t
val cons : 'a -> 'a t -> 'a t
val take : int -> 'a t -> 'a t
val of_fun : (int -> 'a option) -> 'a t
val to_list : 'a t -> 'a list

Gather all values into a list

val to_iter : 'a t -> 'a Iter.t

Iterate on values

val fold : ('a -> 'b -> 'a) -> 'a -> 'b t -> 'a

Fold on values

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