Remove unused file

include/boost/beast/_experimental/core/detail/saved_handler.hpp

@@ -1,110 +0,0 @@
-//
-// Copyright (c) 2018 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_SAVED_HANDLER_HPP
-#define BOOST_BEAST_CORE_DETAIL_SAVED_HANDLER_HPP
-
-#include <boost/beast/core/bind_handler.hpp>
-#include <boost/asio/dispatch.hpp>
-#include <memory>
-#include <utility>
-
-namespace boost {
-namespace beast {
-namespace detail {
-
-class saved_handler
-{
-    struct base
-    {
-        virtual ~base() = default;
-        virtual void operator()() = 0;
-    };
-
-    template<class Handler>
-    struct impl : base
-    {
-        Handler h_;
-
-        template<class Deduced>
-        explicit
-        impl(Deduced&& h)
-            : h_(std::forward<Deduced>(h))
-        {
-        }
-
-        void operator()() override
-        {
-            net::dispatch(std::move(h_));
-        }
-    };
-
-    std::unique_ptr<base> p_;
-
-public:
-    saved_handler() = default;
-
-    template<class Handler>
-    void
-    emplace(Handler&& h)
-    {
-        p_.reset(new impl<typename
-            std::decay<Handler>::type>(
-                std::forward<Handler>(h)));
-    }
-
-    template<
-        class Handler, class T0, class... TN>
-    void
-    emplace(Handler&& h, T0&& t0, TN&&... tn)
-    {
-        using type = decltype(
-            beast::bind_front_handler(
-                std::forward<Handler>(h),
-                std::forward<T0>(t0),
-                std::forward<TN>(tn)...));
-        p_.reset(new impl<type>(
-            beast::bind_front_handler(
-                std::forward<Handler>(h),
-                std::forward<T0>(t0),
-                std::forward<TN>(tn)...)));
-    }
-
-    bool
-    empty() const noexcept
-    {
-        return p_.get() == nullptr;
-    }
-
-    explicit
-    operator bool() const noexcept
-    {
-        return ! empty();
-    }
-
-    void
-    operator()()
-    {
-        auto p = std::move(p_);
-        (*p)();
-    }
-
-    void
-    reset()
-    {
-        p_.reset(nullptr);
-    }
-};
-
-
-} // detail
-} // beast
-} // boost
-
-#endif