bserver_type"></a><span class="identifier">observer_type</span><span class="special">;</span>
  <span class="keyword">typedef</span> <span class="identifier">Checker</span>  <a name="boost.numeric.odeint.checked_observer.checker_type"></a><span class="identifier">checker_type</span><span class="special">;</span> 

  <span class="comment">// <a class="link" href="checked_observer.html#boost.numeric.odeint.checked_observerconstruct-copy-destruct">construct/copy/destruct</a></span>
  <a class="link" href="chec