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<a name="idp161455744"></a>Introduction</h2></div></div></div>
<div class="toc"><dl><dt><span class="section"><a href="signals2.html#idp161457968">Signals2</a></span></dt></dl></div>
<p>The Boost.Signals2 library is an implementation of a managed
  signals and slots system. Signals represent callbacks with multiple
  targets, and are also called publishers or events in similar
  systems. Signals are connected to some set of slots, which are
  callback r