ポモドーロたん

pomodoro.rb

require 'enumerable/lazy'

work = Enumerator.new {|y| loop { y << 25 } }
rest = Enumerator.new {|y| loop { 3.times { y << 5 }; y << 15 } }
pomodoro = work.lazy.zip(rest)
pomodoro.each {|set|
  work_time, rest_time = set
  case set
  when [25, 5]
    puts "normal"
  when [25, 15]
    puts "long"
  end
}