Remove detail::bind_default_executor helper

include/boost/beast/core/detail/bind_default_executor.hpp

@@ -1,106 +0,0 @@
-//
-// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail 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)
-//
-// Official repository: https://github.com/boostorg/beast
-//
-
-#ifndef BOOST_BEAST_CORE_DETAIL_BIND_DEFAULT_EXECUTOR_HPP
-#define BOOST_BEAST_CORE_DETAIL_BIND_DEFAULT_EXECUTOR_HPP
-
-#include <boost/asio/associated_allocator.hpp>
-#include <boost/asio/associated_executor.hpp>
-#include <boost/asio/dispatch.hpp>
-#include <boost/asio/executor.hpp>
-#include <boost/asio/handler_alloc_hook.hpp>
-#include <boost/asio/handler_continuation_hook.hpp>
-#include <boost/asio/handler_invoke_hook.hpp>
-#include <boost/core/empty_value.hpp>
-#include <utility>
-
-namespace boost {
-namespace beast {
-namespace detail {
-
-template<class Handler, class Executor>
-class bind_default_executor_wrapper
-    : private boost::empty_value<Executor>
-{
-    Handler h_;
-
-public:
-    template<class Handler_>
-    bind_default_executor_wrapper(
-        Handler_&& h,
-        Executor const& ex)
-        : boost::empty_value<Executor>(
-            boost::empty_init_t{}, ex)
-        , h_(std::forward<Handler_>(h))
-    {
-    }
-
-    template<class... Args>
-    void
-    operator()(Args&&... args)
-    {
-        h_(std::forward<Args>(args)...);
-    }
-
-    using allocator_type =
-        net::associated_allocator_t<Handler>;
-
-    allocator_type
-    get_allocator() const noexcept
-    {
-        return net::get_associated_allocator(h_);
-    }
-
-    using executor_type =
-        net::associated_executor_t<Handler, Executor>;
-
-    executor_type
-    get_executor() const noexcept
-    {
-        return net::get_associated_executor(
-            h_, this->get());
-    }
-
-    using cancellation_slot_type =
-        net::associated_cancellation_slot_t<Handler>;
-
-    cancellation_slot_type
-    get_cancellation_slot() const noexcept
-    {
-        return net::get_associated_cancellation_slot(h_,
-            net::cancellation_slot());
-    }
-
-    friend
-    bool asio_handler_is_continuation(
-        bind_default_executor_wrapper* p)
-    {
-        using boost::asio::asio_handler_is_continuation;
-        return asio_handler_is_continuation(
-            std::addressof(p->h_));
-    }
-};
-
-template<class Executor, class Handler>
-auto
-bind_default_executor(Executor const& ex, Handler&& h) ->
-    bind_default_executor_wrapper<
-        typename std::decay<Handler>::type,
-        Executor>
-{
-    return bind_default_executor_wrapper<
-        typename std::decay<Handler>::type, 
-            Executor>(std::forward<Handler>(h), ex);
-}
-
-} // detail
-} // beast
-} // boost
-
-#endif