Adds asio library and Storage Module

lib/asio-1.18.0/include/asio/detail/handler_invoke_helpers.hpp

@@ -0,0 +1,80 @@
+//
+// detail/handler_invoke_helpers.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// 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)
+//
+
+#ifndef ASIO_DETAIL_HANDLER_INVOKE_HELPERS_HPP
+#define ASIO_DETAIL_HANDLER_INVOKE_HELPERS_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/memory.hpp"
+#include "asio/handler_invoke_hook.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+// Calls to asio_handler_invoke must be made from a namespace that does not
+// contain overloads of this function. The asio_handler_invoke_helpers
+// namespace is defined here for that purpose.
+namespace asio_handler_invoke_helpers {
+
+#if defined(ASIO_NO_DEPRECATED)
+template <typename Function, typename Context>
+inline void error_if_hook_is_defined(Function& function, Context& context)
+{
+  using asio::asio_handler_invoke;
+  // If you get an error here it is because some of your handlers still
+  // overload asio_handler_invoke, but this hook is no longer used.
+  (void)static_cast<asio::asio_handler_invoke_is_no_longer_used>(
+    asio_handler_invoke(function, asio::detail::addressof(context)));
+}
+#endif // defined(ASIO_NO_DEPRECATED)
+
+template <typename Function, typename Context>
+inline void invoke(Function& function, Context& context)
+{
+#if !defined(ASIO_HAS_HANDLER_HOOKS)
+  Function tmp(function);
+  tmp();
+#elif defined(ASIO_NO_DEPRECATED)
+  // The asio_handler_invoke hook is no longer used to invoke the function.
+  (void)&error_if_hook_is_defined<Function, Context>;
+  (void)context;
+  function();
+#else
+  using asio::asio_handler_invoke;
+  asio_handler_invoke(function, asio::detail::addressof(context));
+#endif
+}
+
+template <typename Function, typename Context>
+inline void invoke(const Function& function, Context& context)
+{
+#if !defined(ASIO_HAS_HANDLER_HOOKS)
+  Function tmp(function);
+  tmp();
+#elif defined(ASIO_NO_DEPRECATED)
+  // The asio_handler_invoke hook is no longer used to invoke the function.
+  (void)&error_if_hook_is_defined<const Function, Context>;
+  (void)context;
+  Function tmp(function);
+  tmp();
+#else
+  using asio::asio_handler_invoke;
+  asio_handler_invoke(function, asio::detail::addressof(context));
+#endif
+}
+
+} // namespace asio_handler_invoke_helpers
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_HANDLER_INVOKE_HELPERS_HPP