ifTrue implementation on Ruby

if_true_if_false.rb

class TrueClass
  def if_true
    yield
    self
  end

  def if_false
    self
  end
end

class FalseClass
  def if_true
    self
  end

  def if_false
    yield
    self
  end
end

(10 == 20).if_true {
  puts "Something is wrong with the universe!"
}.if_false {
  puts "Whooa, universe is alright!"
} 

(10 < 20).if_true {
  puts "Woo, I'm lower!"
}.if_false {
  puts "Woo, I'm strange!"
}