Module type Rpc_parallel__Map_reduce.Map_function_with_init_spec

type state_type
module Param : Core.Binable
module Input : Core.Binable
module Output : Core.Binable
val init : Param.t ‑> state_type Async.Deferred.t
val map : state_type ‑> Input.t ‑> Output.t Async.Deferred.t