em::hiredis example

gistfile1.rb

EM.run do 
  c = EM::Hiredis.connect('redis://127.0.0.1:6379/0')
  puts c.inspect
  c.callback {puts 'connected'}; 
  c.errback  {puts 'error'}
  c.publish('test', 'foo:bar').tap do |r|
    r.callback {puts 'request with success'}; 
    r.errback  { |e| puts 'request with error'; puts e.inspect}
  end
end