boost-react-native-bundle/boost_1_57_0/libs/signals2/doc/reference/signal_base.xml

Boost library as in https://sourceforge.net/projects/boost/files/boost/1.57.0/

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE header PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
  "http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
<!--
Copyright Frank Mori Hess 2007-2009

Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-->
<header name="boost/signals2/signal_base.hpp" last-revision="$Date: 2007-03-06 16:51:55 -0500 (Tue, 06 Mar 2007) $">
  <namespace name="boost">
    <namespace name="signals2">

      <class name="signal_base">
        <inherit access="public">
          <type><classname>noncopyable</classname></type>
        </inherit>
        <purpose>Base class for signals.</purpose>
        <destructor specifiers="virtual">
          <description><para>Virtual destructor.</para></description>
        </destructor>
      </class>
    </namespace>
  </namespace>
</header>