presenter.rb

DEADLINE = Time.new(2016, 5, 18, 19, 0, 0).freeze
module Wroclaw;end
module Wroclaw::AgileGrowth;end
String.class_eval { define_method(:last?) { false } }
NilClass.class_eval { define_method(:last?) { true } }
define_method(:wait) { puts 'Still not ready..';sleep 3 }
define_method(:any_questions?) { puts 'Any questions?' }
define_method(:feedback) { puts 'Feedback?' }
class Wroclaw::Presenter < Struct.new(:name)
  define_method(:ready?) { Time.now >= DEADLINE }
  def present(slides); slides.to_a.each { |slide| yield(slide) };end
end
class Wroclaw::AgileGrowth::Slides
  define_method(:initialize) { @slides = File.read('slides.md').split('---') }
  define_method(:to_a) { @slides + [nil] }
end

#
# #######
# #######
# #######
#
include Wroclaw

author = Presenter.new(:buren)
slides = AgileGrowth::Slides.new

wait until author.ready?

author.present(slides) do |slide|
  print slide
  any_questions? if slide.last?
end