Promise_io (kxclib.Kxclib_js.Promise

include Kxclib.Io_style with type 'a t = 'a Promise.t

type 'a t = 'a Promise.t

val return : 'x -> 'x t

val bind : 'x t -> ('x -> 'y t) -> 'y t

val inject_error : exn -> 'x t

val inject_error' : (exn * Kxclib.backtrace_info option) -> 'x t

val extract_error : 
  'x t ->
  ('x, exn * Kxclib.backtrace_info option) Stdlib.result t

val trace : string -> unit t