44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
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// Copyright 2015-2019 Antony Polukhin.
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <iostream>
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//[plugcpp_my_plugin_sum
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#include <boost/config.hpp> // for BOOST_SYMBOL_EXPORT
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#include "../tutorial_common/my_plugin_api.hpp"
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namespace my_namespace {
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class my_plugin_sum : public my_plugin_api {
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public:
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my_plugin_sum() {
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std::cout << "Constructing my_plugin_sum" << std::endl;
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}
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std::string name() const {
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return "sum";
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}
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float calculate(float x, float y) {
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return x + y;
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}
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~my_plugin_sum() {
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std::cout << "Destructing my_plugin_sum ;o)" << std::endl;
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}
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};
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// Exporting `my_namespace::plugin` variable with alias name `plugin`
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// (Has the same effect as `BOOST_DLL_ALIAS(my_namespace::plugin, plugin)`)
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extern "C" BOOST_SYMBOL_EXPORT my_plugin_sum plugin;
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my_plugin_sum plugin;
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} // namespace my_namespace
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//]
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