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Alternating valuses / flip-flop / toggle - example in Ruby

Archive - Originally posted on "The Horse's Mouth" - 2016-05-17 05:34:03 - Graham Ellis

If you want to alternate the value of a variable, here's two ways you can do it in Ruby - answers to a question during this week's Ruby Course

  # Too clever?
  
  t = 0
  (1..20).each do
    puts (((t=(t+1)%2)==0) ? "yes" : "no")
    end
  
  # better?
  
  t = 0
  (1..20).each do
    t += 1
    t %= 2
    puts ((t==0) ? "YES" : "NO")
    end

Source code - [here].