package async_kernel

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Monadic concurrency library

Install

Dune Dependency

github.com Readme Changelog MIT License Edit opam file Versions (6)

Authors

J

Jane Street Group, LLC

Maintainers

J

Jane Street developers

Sources

v0.17.0.tar.gz

sha256=01ced973dbc70535f692f38bed524ae82dba17e26e58791b2fbf0d647b160d2e

doc/async_kernel.eager_deferred/Eager_deferred/index.html

Module `Eager_deferred`Source

Sourcemodule type S = sig ... end

include S with type 'a t := 'a Async_kernel.Deferred.t

include Async_kernel.Invariant.S1 with type 'a t := 'a Async_kernel.Deferred.t

Sourceval invariant : ('a -> unit) -> 'a Async_kernel.Deferred.t -> unit

include Core.Monad with type 'a t := 'a Async_kernel.Deferred.t

Source

val (>>=) : 
  'a Async_kernel.Deferred.t ->
  ('a -> 'b Async_kernel.Deferred.t) ->
  'b Async_kernel.Deferred.t

t >>= f returns a computation that sequences the computations represented by two monad elements. The resulting computation first does t to yield a value v, and then runs the computation returned by f v.

Source

val (>>|) : 
  'a Async_kernel.Deferred.t ->
  ('a -> 'b) ->
  'b Async_kernel.Deferred.t

t >>| f is t >>= (fun a -> return (f a)).

Sourcemodule Monad_infix : sig ... end

Source

val bind : 
  'a Async_kernel.Deferred.t ->
  f:('a -> 'b Async_kernel.Deferred.t) ->
  'b Async_kernel.Deferred.t

bind t ~f = t >>= f

Sourceval return : 'a -> 'a Async_kernel.Deferred.t

return v returns the (trivial) computation that returns v.

Source

val map : 
  'a Async_kernel.Deferred.t ->
  f:('a -> 'b) ->
  'b Async_kernel.Deferred.t

map t ~f is t >>| f.

Source

val join : 
  'a Async_kernel.Deferred.t Async_kernel.Deferred.t ->
  'a Async_kernel.Deferred.t

join t is t >>= (fun t' -> t').

Sourceval ignore_m : 'a Async_kernel.Deferred.t -> unit Async_kernel.Deferred.t

ignore_m t is map t ~f:(fun _ -> ()). ignore_m used to be called ignore, but we decided that was a bad name, because it shadowed the widely used Stdlib.ignore. Some monads still do let ignore = ignore_m for historical reasons.

Sourceval all : 'a Async_kernel.Deferred.t list -> 'a list Async_kernel.Deferred.t

Source

val all_unit : 
  unit Async_kernel.Deferred.t list ->
  unit Async_kernel.Deferred.t

Like all, but ensures that every monadic value in the list produces a unit value, all of which are discarded rather than being collected into a list.

Sourcemodule Let_syntax : sig ... end

These are convenient to have in scope when programming with a monad:

Sourcemodule Infix : sig ... end

Sourceval any : 'a Async_kernel.Deferred.t list -> 'a Async_kernel.Deferred.t

Source

val any_unit : 
  unit Async_kernel.Deferred.t list ->
  unit Async_kernel.Deferred.t

Source

val both : 
  'a Async_kernel.Deferred.t ->
  'b Async_kernel.Deferred.t ->
  ('a * 'b) Async_kernel.Deferred.t

Sourceval create : ('a Async_kernel.Ivar.t -> unit) -> 'a Async_kernel.Deferred.t

Sourceval don't_wait_for : unit Async_kernel.Deferred.t -> unit

Sourceval is_determined : 'a Async_kernel.Deferred.t -> bool

Sourceval never : unit -> _ Async_kernel.Deferred.t

Source

val ok : 
  'a Async_kernel.Deferred.t ->
  ('a, _) Core.Result.t Async_kernel.Deferred.t

Sourceval peek : 'a Async_kernel.Deferred.t -> 'a option

Sourceval unit : unit Async_kernel.Deferred.t

Sourceval upon : 'a Async_kernel.Deferred.t -> ('a -> unit) -> unit

Sourceval value_exn : 'a Async_kernel.Deferred.t -> 'a

Source

val repeat_until_finished : 
  'state ->
  ('state ->
    [ `Repeat of 'state | `Finished of 'result ] Async_kernel.Deferred.t) ->
  'result Async_kernel.Deferred.t

Source

module List : 
  Async_kernel.Monad_sequence.S
    with type 'a monad := 'a Async_kernel.Deferred.t
    with type 'a t := 'a list

Source

module Queue : 
  Async_kernel.Monad_sequence.S
    with type 'a monad := 'a Async_kernel.Deferred.t
    with type 'a t := 'a Core.Queue.t

Similar to Deferred.Queue but eager when passing ~how:`Sequential. The functions in Queue raise if the queue is mutated during execution.

Sourcemodule Or_error : sig ... end

Source

module Memo : 
  Async_kernel.Deferred.Memo.S
    with type 'a deferred := 'a Async_kernel.Deferred.t

Sourcemodule Result : sig ... end

Sourcemodule Use : sig ... end

Intended usage is to open Eager_deferred.Use to shadow operations from the non-eager world and rebind them to their eager counterparts.

package async_kernel

Install

Dune Dependency

Authors

Maintainers

Sources

doc/async_kernel.eager_deferred/Eager_deferred/index.html

Module Eager_deferredSource

Module `Eager_deferred`Source