val return : 'a ‑> 'a Async_kernel__.Types.Deferred.t
val (>>=) : 'a Async_kernel__.Types.Deferred.t ‑> ('a ‑> 'b Async_kernel__.Types.Deferred.t) ‑> 'b Async_kernel__.Types.Deferred.t
val (>>|) : 'a Async_kernel__.Types.Deferred.t ‑> ('a ‑> 'b) ‑> 'b Async_kernel__.Types.Deferred.t
module Let_syntax = M.Let_syntax.Let_syntax