title: whats does .map(&:chomp) do, exactly?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/2259775/what-do-you-call-the-operator-in-ruby">What do you call the &amp;: operator in Ruby?</a>  </p>
  </blockquote>
  
  
  
  <p>I see '.map(&amp;:chomp)' all the time</p>
  
  <p>I know what chomp and map do, but I want to know what &amp;: does and I'd like to know why I can't find it on the web after 30 minutes of googling.....</p>