detail

src/lwt/moonpool_lwt.ml

@@ -306,6 +306,9 @@ let spawn_lwt f : _ Lwt.t =
       with exn -> Lwt.wakeup_exn lwt_prom exn);
   lwt_fut
 
+let spawn_lwt_ignore f = ignore (spawn_lwt f : unit Lwt.t)
+let on_lwt_thread = Main_state.on_lwt_thread
+
 let lwt_main (f : _ -> 'a) : 'a =
   let st = setup () in
   (* make sure to cleanup *)

src/lwt/moonpool_lwt.mli

@@ -27,6 +27,9 @@ val spawn_lwt : (unit -> 'a) -> 'a Lwt.t
 (** This spawns a task that runs in the Lwt scheduler.
     @raise Failure if {!lwt_main} was not called. *)
 
+val spawn_lwt_ignore : (unit -> unit) -> unit
+(** Like {!spawn_lwt} but ignores the result, like [Lwt.async]. *)
+
 val await_lwt : 'a Lwt.t -> 'a
 (** [await_lwt fut] awaits a Lwt future from inside a task running on a moonpool
     runner. This must be run from within a Moonpool runner so that the await-ing
@@ -42,6 +45,11 @@ val lwt_main : (Moonpool.Runner.t -> 'a) -> 'a
 (** [lwt_main f] sets the moonpool-lwt bridge up, runs lwt main, calls [f],
     destroys the bridge, and return the result of [f()]. *)
 
+val on_lwt_thread : unit -> bool
+(** [on_lwt_thread ()] is true if the current thread is the one currently
+    running {!lwt_main}.
+    @raise Failure if {!lwt_main} was not called. *)
+
 val lwt_main_runner : unit -> Moonpool.Runner.t
 (** The runner from {!lwt_main}. The runner is only going to work if {!lwt_main}
     is currently running in some thread.

test/lwt/fibers/t_fib1.ml

@@ -1,4 +1,3 @@
-open! Moonpool
 module M_lwt = Moonpool_lwt
 
 let ( let@ ) = ( @@ )