title: What do you call the -> operator in Ruby?
body: <ol>
  <li><p>What do you call the <code>-&gt;</code> operator as in the following?</p>
  
  <pre><code>-&gt;(...) do
    ...
  end
  </code></pre></li>
  <li><p>Aren't the following snippets equivalent?</p>
  
  <pre><code>succ = -&gt;(x) {x + 1}
  succ = lambda {|x| x + 1}
  </code></pre></li>
  </ol>