Module `Lwt_main.Leave_iter_hooks`Source

Hooks, of type unit -> unit, that are called after each iteration of the Lwt main loop.

since 4.2.0

Sourcetype 'return_value kind = 'return_value

Hooks are functions of either type unit -> unit or unit -> unit Lwt.t; this type constructor is used only to express both possibilities in one signature.

Sourcetype hook

Values of type hook represent hooks that have been added, so that they can be removed later (if needed).

Source

val add_first : 
  (unit -> unit Lwt_main.Leave_iter_hooks.kind) ->
  Lwt_main.Leave_iter_hooks.hook

Adds a hook to the hook sequence underlying this module, to be run first, before any other hooks already added.

Source

val add_last : 
  (unit -> unit Lwt_main.Leave_iter_hooks.kind) ->
  Lwt_main.Leave_iter_hooks.hook

Adds a hook to the hook sequence underlying this module, to be run last, after any other hooks already added.

Sourceval remove : Lwt_main.Leave_iter_hooks.hook -> unit

Removes a hook added by add_first or add_last.

Sourceval remove_all : unit -> unit

Removes all hooks from the hook sequence underlying this module.

Module Lwt_main.Leave_iter_hooksSource

Module `Lwt_main.Leave_iter_hooks`Source