core hello world /

open Core.Std
open Async.Std

(* A command that sends the hello request  *)
let say_hello =
  Common.with_rpc_conn (fun conn ->
    Rpc.Rpc.dispatch_exn Hello_protocol.hello_rpc conn "Hello"
    >>| fun response ->
    printf "%s\n%!" response

let command =
    ~summary:"Hello World client"
      +> Common.port_arg ()
      +> Common.host_arg ()
    (fun port host () -> say_hello ~port ~host)

let () = command
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