Ruby time measurement (monotonic)

time_measure.rb

module Time::Measure
  refine Time.singleton_class do
    def measure(&_block)
      tstart = Process.clock_gettime(Process::CLOCK_MONOTONIC)
      yield if block_given?
      (Process.clock_gettime(Process::CLOCK_MONOTONIC) - tstart)
    end
  end
end

=begin
using Time::Measure
Time.measure{ sleep 1 }
=end