class Concurrent::Promise

def ns_initialize(value, opts)
  super
  @executor = Options.executor_from_options(opts) || Concurrent.global_io_executor
  @args = get_arguments_from(opts)
  @parent = opts.fetch(:parent) { nil }
  @on_fulfill = opts.fetch(:on_fulfill) { Proc.new { |result| result } }
  @on_reject = opts.fetch(:on_reject) { Proc.new { |reason| raise reason } }
  @promise_body = opts[:__promise_body_from_block__] || Proc.new { |result| result }
  @state = :unscheduled
  @children = []
end