benchmark method using yield to pass block

benchmark_with_block.rb

def benchmark
  start_time = Time.now
  yield
  end_time = Time.now
  run_time = end_time - start_time
end
 
long_string = "apple"*100000000
stupid_math = 1 + 1 * 1000 - 54 * 345
 
running_time = benchmark { long_string.reverse }
running_time2 = benchmark { stupid_math }
 
puts "string.reverse took #{running_time} seconds to run"
puts "stupid math took #{running_time2} seconds to run"