Remove handler_pointer (API Change):

API Changes:

handler_ptr has been removed. Users should use net::bind_handler and/or
bind_front_handler instead.

refs #1934

include/boost/beast/core/impl/handler_ptr.hpp

@@ -1,132 +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_IMPL_HANDLER_PTR_HPP
-#define BOOST_BEAST_IMPL_HANDLER_PTR_HPP
-
-#include <boost/asio/associated_allocator.hpp>
-#include <boost/assert.hpp>
-#include <memory>
-
-namespace boost {
-namespace beast {
-
-template<class T, class Handler>
-void
-handler_ptr<T, Handler>::
-clear()
-{
-    using A = typename detail::allocator_traits<
-        net::associated_allocator_t<
-            Handler>>::template rebind_alloc<T>;
-    using alloc_traits =
-        beast::detail::allocator_traits<A>;
-    A alloc(
-        net::get_associated_allocator(handler()));
-    alloc_traits::destroy(alloc, t_);
-    alloc_traits::deallocate(alloc, t_, 1);
-    t_ = nullptr;
-}
-
-template<class T, class Handler>
-handler_ptr<T, Handler>::
-~handler_ptr()
-{
-    if(t_)
-    {
-        clear();
-        h_.~Handler();
-    }
-}
-
-template<class T, class Handler>
-handler_ptr<T, Handler>::
-handler_ptr(handler_ptr&& other)
-    : t_(other.t_)
-{
-    if(other.t_)
-    {
-        ::new(static_cast<void*>(std::addressof(h_)))
-            Handler(std::move(other.h_));
-        other.h_.~Handler();
-        other.t_ = nullptr;
-    }
-}
-
-template<class T, class Handler>
-template<class DeducedHandler, class... Args>
-handler_ptr<T, Handler>::
-handler_ptr(DeducedHandler&& h, Args&&... args)
-{
-    BOOST_STATIC_ASSERT(! std::is_array<T>::value);
-    using A = typename detail::allocator_traits<
-        net::associated_allocator_t<
-            Handler>>::template rebind_alloc<T>;
-    using alloc_traits =
-        beast::detail::allocator_traits<A>;
-    A alloc{net::get_associated_allocator(h)};
-    bool destroy = false;
-    auto deleter = [&alloc, &destroy](T* p)
-    {
-        if(destroy)
-            alloc_traits::destroy(alloc, p);
-        alloc_traits::deallocate(alloc, p, 1);
-    };
-    std::unique_ptr<T, decltype(deleter)> t{
-        alloc_traits::allocate(alloc, 1), deleter};
-    alloc_traits::construct(alloc, t.get(),
-        static_cast<DeducedHandler const&>(h),
-            std::forward<Args>(args)...);
-    destroy = true;
-    ::new(static_cast<void*>(std::addressof(h_)))
-        Handler(std::forward<DeducedHandler>(h));
-    t_ = t.release();
-}
-
-template<class T, class Handler>
-auto
-handler_ptr<T, Handler>::
-release_handler() ->
-    handler_type
-{
-    BOOST_ASSERT(t_);
-    clear();
-    auto deleter = [](Handler* h)
-    {
-        h->~Handler();
-    };
-    std::unique_ptr<
-        Handler, decltype(deleter)> destroyer{
-            std::addressof(h_), deleter};
-    return std::move(h_);
-}
-
-template<class T, class Handler>
-template<class... Args>
-void
-handler_ptr<T, Handler>::
-invoke(Args&&... args)
-{
-    BOOST_ASSERT(t_);
-    clear();
-    auto deleter = [](Handler* h)
-    {
-        boost::ignore_unused(h); // fix #1119
-        h->~Handler();
-    };
-    std::unique_ptr<
-        Handler, decltype(deleter)> destroyer{
-            std::addressof(h_), deleter};
-    h_(std::forward<Args>(args)...);
-}
-
-} // beast
-} // boost
-
-#endif