package eio

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Effect-based direct-style IO API for OCaml

Install

Dune Dependency

github.com Readme Changelog ISC License Edit opam file Versions (18)

Authors

Maintainers

A

anil@recoil.org

Sources

eio-0.6.tbz

sha256=ead3eea352dd3d7d11a81ffdbeee6ca94d5e6b3f46de264b4e59689360b3ef38

sha512=0543643da7861f533f9b7ebee8aa30a6868b48ae1e19211666a9b860e9ff8d8a9e135f214a4603d0329f2027277701f6ffd900b6fba3405a538eebc301edaf29

doc/eio.utils/Eio_utils/Zzz/index.html

Module `Eio_utils.Zzz`Source

A set of timers.

Sourcemodule Key : sig ... end

A handle to a registered timer.

Sourcetype t

A set of timers (implemented as a priority queue).

Sourceval create : unit -> t

create () is a fresh empty queue.

Sourceval add : t -> float -> unit Suspended.t -> Key.t

add t time thread adds a new event, due at time, and returns its ID. You must use Eio.Private.Fiber_context.set_cancel_fn on thread before calling pop. Your cancel function should call remove (in addition to resuming thread).

Sourceval remove : t -> Key.t -> unit

remove t key removes an event previously added with add.

Source

val pop : 
  t ->
  now:float ->
  [ `Due of unit Suspended.t | `Wait_until of float | `Nothing ]

pop ~now t removes and returns the earliest thread due by now. It also clears the thread's cancel function. If no thread is due yet, it returns the time the earliest thread becomes due.