simple ruby timer (for simple programs)

gistfile1.rb

class Timer	
  def initialize
    ObjectSpace.define_finalizer(self,
      self.method(:finalize).to_proc)
    @start = Time.new
    
  end

  def finalize(id)
    p "Time: #{Time.now.to_f - @start.to_f} seconds"
  end
end

# usage: 
# create a new Timer at the beginning of your program
# it will automatically report the time, the program took to execute
# even with many exit points
timer = Timer.new

10000000.times {}