Module: Elastic::Beanstalk::Spinner

Extended by:
Spinner
Included in:
Spinner
Defined in:
lib/elastic/beanstalk/spinner.rb

Instance Method Summary collapse

Instance Method Details

#show(fps = 10) ⇒ Object 



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# File 'lib/elastic/beanstalk/spinner.rb', line 8

def show(fps=10)
  chars = %w{ | / - \\ }
  delay = 1.0/fps
  iter = 0
   = Thread.new do
    while iter do # Keep spinning until told otherwise

      print chars[0]
      sleep delay
      print "\b"
      chars.push chars.shift
    end
  end
  yield.tap {# After yielding to the block, save the return value
    iter = false # Tell the thread to exit, cleaning up after itself…
    .join # …and wait for it to do so.
  } # Use the block's return value as the method's
end