app_without_member_access.rb

require 'jrubyfx'

class FooApp < JRubyFX::Application
  def initialize()
    super()
    @bar = 1
    @spam = "ham"
  end

  def start(stage)
    p [@bar, @spam]
    with(stage, width: 400, height: 400, title: "FooApp") do
      p [@bar, @spam]
      layout_scene do
        p [@bar, @spam]
        label(text: "Foobar")
      end
      show
    end
  end
end

FooApp.launch
=begin
should print
[1, "ham"]
[1, "ham"]
[1, "ham"]
but prints
[1, "ham"]
[nil, nil]
[nil, nil]
=end