C++ ASIO UDP:class std:：分配器<；无效>；没有名为‘的成员；建造’；

我随后设置了一个异步UDP接收。但它在编译上失败了：

g++ -Wall -Wconversion -Wfatal-errors -Wextra -std=c++11 test1.cpp

错误消息：

In file included from /usr/include/c++/5/ext/alloc_traits.h:36:0,
                 from /usr/include/c++/5/bits/basic_string.h:40,
                 from /usr/include/c++/5/string:52,
                 from /usr/include/c++/5/stdexcept:39,
                 from /usr/include/c++/5/array:38,
                 from /usr/include/c++/5/tuple:39,
                 from /usr/include/c++/5/functional:55,
                 from /usr/include/c++/5/thread:39,
                 from test1.cpp:1:
/usr/include/c++/5/bits/alloc_traits.h: In instantiation of ‘static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::promise<long unsigned int>; _Args = {const std::allocator_arg_t&, std::allocator<void>}; _Tp = void; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<void>]’:
/usr/include/c++/5/bits/shared_ptr_base.h:522:39:   required from ‘std::_Sp_counted_ptr_inplace<_Tp, _Alloc, _Lp>::_Sp_counted_ptr_inplace(_Alloc, _Args&& ...) [with _Args = {const std::allocator_arg_t&, std::allocator<void>}; _Tp = std::promise<long unsigned int>; _Alloc = std::allocator<void>; __gnu_cxx::_Lock_policy _Lp = (__gnu_cxx::_Lock_policy)2u]’
/usr/include/c++/5/bits/shared_ptr_base.h:617:4:   required from ‘std::__shared_count<_Lp>::__shared_count(std::_Sp_make_shared_tag, _Tp*, const _Alloc&, _Args&& ...) [with _Tp = std::promise<long unsigned int>; _Alloc = std::allocator<void>; _Args = {const std::allocator_arg_t&, std::allocator<void>}; __gnu_cxx::_Lock_policy _Lp = (__gnu_cxx::_Lock_policy)2u]’
/usr/include/c++/5/bits/shared_ptr_base.h:1097:35:   required from ‘std::__shared_ptr<_Tp, _Lp>::__shared_ptr(std::_Sp_make_shared_tag, const _Alloc&, _Args&& ...) [with _Alloc = std::allocator<void>; _Args = {const std::allocator_arg_t&, std::allocator<void>}; _Tp = std::promise<long unsigned int>; __gnu_cxx::_Lock_policy _Lp = (__gnu_cxx::_Lock_policy)2u]’
/usr/include/c++/5/bits/shared_ptr.h:319:64:   required from ‘std::shared_ptr<_Tp>::shared_ptr(std::_Sp_make_shared_tag, const _Alloc&, _Args&& ...) [with _Alloc = std::allocator<void>; _Args = {const std::allocator_arg_t&, std::allocator<void>}; _Tp = std::promise<long unsigned int>]’
/usr/include/c++/5/bits/shared_ptr.h:620:39:   required from ‘std::shared_ptr<_Tp1> std::allocate_shared(const _Alloc&, _Args&& ...) [with _Tp = std::promise<long unsigned int>; _Alloc = std::allocator<void>; _Args = {const std::allocator_arg_t&, std::allocator<void>}]’
/usr/include/boost/asio/impl/use_future.hpp:39:56:   required from ‘boost::asio::detail::promise_handler<T>::promise_handler(boost::asio::use_future_t<OtherAllocator>) [with Allocator = std::allocator<void>; T = long unsigned int]’
/usr/include/boost/asio/async_result.hpp:62:21:   required from ‘boost::asio::detail::async_result_init<Handler, Signature>::async_result_init(Handler&&) [with Handler = const boost::asio::use_future_t<>&; Signature = void(boost::system::error_code, long unsigned int)]’
/usr/include/boost/asio/datagram_socket_service.hpp:410:51:   required from ‘typename boost::asio::async_result<typename boost::asio::handler_type<WriteHandler, void(boost::system::error_code, long unsigned int)>::type>::type boost::asio::datagram_socket_service<Protocol>::async_receive_from(boost::asio::datagram_socket_service<Protocol>::implementation_type&, const MutableBufferSequence&, boost::asio::datagram_socket_service<Protocol>::endpoint_type&, boost::asio::socket_base::message_flags, ReadHandler&&) [with MutableBufferSequence = boost::asio::mutable_buffers_1; ReadHandler = const boost::asio::use_future_t<>&; Protocol = boost::asio::ip::udp; typename boost::asio::async_result<typename boost::asio::handler_type<WriteHandler, void(boost::system::error_code, long unsigned int)>::type>::type = std::future<long unsigned int>; boost::asio::datagram_socket_service<Protocol>::implementation_type = boost::asio::detail::reactive_socket_service<boost::asio::ip::udp>::implementation_type; boost::asio::datagram_socket_service<Protocol>::endpoint_type = boost::asio::ip::basic_endpoint<boost::asio::ip::udp>; boost::asio::socket_base::message_flags = int]’
/usr/include/boost/asio/basic_datagram_socket.hpp:897:51:   required from ‘typename boost::asio::async_result<typename boost::asio::handler_type<WriteHandler, void(boost::system::error_code, long unsigned int)>::type>::type boost::asio::basic_datagram_socket<Protocol, DatagramSocketService>::async_receive_from(const MutableBufferSequence&, boost::asio::basic_datagram_socket<Protocol, DatagramSocketService>::endpoint_type&, ReadHandler&&) [with MutableBufferSequence = boost::asio::mutable_buffers_1; ReadHandler = const boost::asio::use_future_t<>&; Protocol = boost::asio::ip::udp; DatagramSocketService = boost::asio::datagram_socket_service<boost::asio::ip::udp>; typename boost::asio::async_result<typename boost::asio::handler_type<WriteHandler, void(boost::system::error_code, long unsigned int)>::type>::type = std::future<long unsigned int>; boost::asio::basic_datagram_socket<Protocol, DatagramSocketService>::endpoint_type = boost::asio::ip::basic_endpoint<boost::asio::ip::udp>]’
test1.cpp:25:28:   required from here
/usr/include/c++/5/bits/alloc_traits.h:530:4: error: ‘using allocator_type = class std::allocator<void> {aka class std::allocator<void>}’ has no member named ‘construct’
  { __a.construct(__p, std::forward<_Args>(__args)...); }
    ^

在/usr/include/c++/5/ext/alloc_traits.h:36:0中包含的文件中，
从/usr/include/c++/5/bits/basic_string.h:40，
来自/usr/include/c++/5/string:52，
从/usr/include/c++/5/stdexcept:39，
从/usr/include/c++/5/array:38，
从/usr/include/c++/5/tuple:39，
from/usr/include/c++/5/functional:55，
从/usr/include/c++/5/thread:39，
来自test1.cpp:1：
/usr/include/c++/5/bits/alloc_traits.h:static void std:：allocator_traits:：construct（std:：allocator_traits:：allocator_type&、_Up*、_Args&&…）的实例化中[with _Up=std:：promise；_Args={const std:：allocator_arg t&，std:：allocator}；_Tp=void；std:：allocator_traits:：allocator_traits:：allocator_type=allocator_type=std:：allocator
/usr/include/c++/5/bits/shared_ptr_base.h:522:39:std:_Sp_counted_ptr_in place:：_Sp_counted_ptr_in place（_Alloc，_Args&&…[带_Args={const std:：allocator_arg t&，std:：allocator}；_tpstd:：promission；_Alloc=std:：Alloc:：std:：Alloc:：allocator；_gnux:_锁策略(锁策略)
/usr/include/c++/5/bits/shared_ptr_base.h:617:4:std:：__shared_count:：_shared_count（std:_Sp_make_shared_tag，_Tp*，const_Alloc&，cxuargs&…[带有_Tp=std:：promission；_Alloc=std:：分配器；_Args={std:：分配器；_Args={std:：分配器}参数={std:：分配器}，std:：分配器}；gnu锁策略：(
/usr/include/c++/5/bits/shared_ptr_base.h:1097:35:std:：_shared_ptr:：_shared_ptr（std:Sp:U make_shared_tag，const_Alloc&，_Args&&…[带Alloc=std:：allocator；Args={const std:：allocator_arg_t&，std:：allocator}；Tp=std:：promise:GNuX=X=CxGnu锁策略：]
/usr/include/c++/5/bits/shared_ptr.h:319:64:从'std:：shared_ptr:：shared_ptr（std:'u Sp__make_shared_tag，const_Alloc&，'u Args&&…[带_Alloc=std:：allocator；'u Args={const std:：allocator_arg&，std:：allocator}；'u Tp=std:：promission]'
/usr/include/c++/5/bits/shared_ptr.h:620:39:必须来自'std:：shared_ptr std:：allocate_shared（const_Alloc&，，_Args&&…[带_Tp=std:：promise；_Alloc=std:：allocator；_Args={const std:：allocator_arg&，std:：allocator}]
/usr/include/boost/asio/impl/use\u future.hpp:39:56:来自“boost:：asio:：detail:：promise\u handler:：promise\u handler（boost:：asio:：use\u future\u t）[with Allocator=std:：Allocator；t=long unsigned int]的必填项
/usr/include/boost/asio/async_result.hpp:62:21:boost:：asio:：detail:：async_result_init:：async_result_init（Handler&）[with Handler=const boost:：asio:：use_future_t&；Signature=void（boost:：system:：error_code，long unsigned int）]
/usr/include/boost/asio/datagram\u socket\u service.hpp:410:51:必须来自“typename boost:：asio:：async\u result:：type boost:：asio:：datagram\u socket\u service:：async\u receive\u from”（boost:：asio:：datagram_socket_service:：implementation_type&，const MutableBufferSequence&，boost:：asio:：datagram_socket_service:：endpoint_type&，boost:：asio:：socket_base:：message_flags，ReadHandler&）[with MutableBufferSequence=boost:：asio:：mutable\u buffers\u 1；ReadHandler=const boost:：asio:：use\u future\u t&；Protocol=boost:：asio:：ip:：udp；typename boost:：asio:：async\u result:：type=std:：future；boost:：asio:：datagram\u socket\u service:：implementation\u type=boost:：asio:：detail:：reactive\u socket\u服务：：实现类型；boost:：asio:：datagram\uocket\u服务：：端点\u类型=boost：：asio：：ip：：基本\u端点；boost：：asio：：套接字\u基：：消息\u标志=int]'
/usr/include/boost/asio/basic_datagram_socket.hpp:897:51:必须来自'typename boost:：asio:：async_result:：type boost:：asio:：basic_datagram_socket:：async_receive_from（const MutableBufferSequence&，boost:：asio:：basic_datagram_socket:：endpoint_type&，ReadHandler&）[with MutableBufferSequence=boost:：asio:：mutable\u buffers\u 1；ReadHandler=const boost:：asio:：use\u future\u t&；Protocol=boost:：asio:：ip:：udp；DatagramSocketService=boost:：asio:：datagram\u socket\u service；typename boost:：asio:：async\u result:：type=std:：future；boost:：asio:：basic\u datagram\u socket:：endpoint:：endpoint\u
test1.cpp:25:28:从这里开始需要
/usr/include/c++/5/bits/alloc_traits.h:530:4:错误：“using allocator_type=class std:：allocator{aka class std:：allocator}”没有名为“construct”的成员
{{uu a.构造（{uu p，std:：forward（{uu args）…）；}
^

代码：

#包括
#包括
#包括
#包括
#包括
#包括
int main（）
{
boost:：asio:：io_服务ioserv；
boost:：asio:：ip:：udp:：endpoint ep（boost:：asio:：ip:：udp:：v4（），（ushort）1414）；
boost:：asio:：ip:：udp:：socket mysocket（ioserv，ep）；
boost:：asio:：socket\u base:：reuse\u地址选项（true）；
mysocket.set_选项（选项）；
boost:：asio:：ip:：udp:：端点发送器\u ep；
而(1)
{
std：：数组recv_buf；
boost:：asio:：ip:：udp:：endpoint sender\u endpoint；
标准：未来记录长度=
mysocket.async\u接收\u自(
boost:：asio:：buffer（recv_buf），
发送端，
boost:：asio:：use_future）；//看起来此错误已在以下位置修复：




看起来它进入了boost 1.60
什么（boost）版本？在这里很好，它是
Boost版本：1.58.0
。它在魔杖盒中也会出现错误。如何保存在魔杖盒中？非常感谢。顺便问一下，如何保存在魔杖盒中？我无法获得永久链接。我使用
Share
按钮找不到共享按钮。应该登录吗？在使用
Run
后会出现此按钮。这是一个不错的选择工具，谢谢。
#include <thread>
#include <iostream>
#include <future>
#include <boost/array.hpp>
#include <boost/asio/use_future.hpp>
#include <boost/asio.hpp>

int main()
{
    boost::asio::io_service ioserv;
    boost::asio::ip::udp::endpoint ep(boost::asio::ip::udp::v4(),(ushort)1414);
    boost::asio::ip::udp::socket mysocket(ioserv,ep);
    boost::asio::socket_base::reuse_address option(true);
    mysocket.set_option(option);

    boost::asio::ip::udp::endpoint sender_ep;
    while(1)
    {
        std::array<char, 128> recv_buf;
        boost::asio::ip::udp::endpoint sender_endpoint;
        std::future<std::size_t> recv_length =
            mysocket.async_receive_from(
                boost::asio::buffer(recv_buf),
                sender_endpoint,
                boost::asio::use_future); // <<<< line 25: error

        // Do other things here while the receive completes.

        std::cout.write(
            recv_buf.data(),
            recv_length.get()); // Blocks until receive is complete.
    }
    return 0;
}