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diff --git a/lib/asio/impl/connect.hpp b/lib/asio/impl/connect.hpp
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+++ b/lib/asio/impl/connect.hpp
@@ -0,0 +1,860 @@
+//
+// impl/connect.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 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_IMPL_CONNECT_HPP
+#define ASIO_IMPL_CONNECT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <algorithm>
+#include "asio/associated_allocator.hpp"
+#include "asio/associated_executor.hpp"
+#include "asio/detail/bind_handler.hpp"
+#include "asio/detail/handler_alloc_helpers.hpp"
+#include "asio/detail/handler_cont_helpers.hpp"
+#include "asio/detail/handler_invoke_helpers.hpp"
+#include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/throw_error.hpp"
+#include "asio/error.hpp"
+#include "asio/post.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+namespace detail
+{
+  struct default_connect_condition
+  {
+    template <typename Endpoint>
+    bool operator()(const asio::error_code&, const Endpoint&)
+    {
+      return true;
+    }
+  };
+
+  template <typename Protocol, typename Iterator>
+  inline typename Protocol::endpoint deref_connect_result(
+      Iterator iter, asio::error_code& ec)
+  {
+    return ec ? typename Protocol::endpoint() : *iter;
+  }
+
+  template <typename T, typename Iterator>
+  struct legacy_connect_condition_helper : T
+  {
+    typedef char (*fallback_func_type)(...);
+    operator fallback_func_type() const;
+  };
+
+  template <typename R, typename Arg1, typename Arg2, typename Iterator>
+  struct legacy_connect_condition_helper<R (*)(Arg1, Arg2), Iterator>
+  {
+    R operator()(Arg1, Arg2) const;
+    char operator()(...) const;
+  };
+
+  template <typename T, typename Iterator>
+  struct is_legacy_connect_condition
+  {
+    static char asio_connect_condition_check(char);
+    static char (&asio_connect_condition_check(Iterator))[2];
+
+    static const bool value =
+      sizeof(asio_connect_condition_check(
+        (*static_cast<legacy_connect_condition_helper<T, Iterator>*>(0))(
+          *static_cast<const asio::error_code*>(0),
+          *static_cast<const Iterator*>(0)))) != 1;
+  };
+
+  template <typename ConnectCondition, typename Iterator>
+  inline Iterator call_connect_condition(ConnectCondition& connect_condition,
+      const asio::error_code& ec, Iterator next, Iterator end,
+      typename enable_if<is_legacy_connect_condition<
+        ConnectCondition, Iterator>::value>::type* = 0)
+  {
+    if (next != end)
+      return connect_condition(ec, next);
+    return end;
+  }
+
+  template <typename ConnectCondition, typename Iterator>
+  inline Iterator call_connect_condition(ConnectCondition& connect_condition,
+      const asio::error_code& ec, Iterator next, Iterator end,
+      typename enable_if<!is_legacy_connect_condition<
+        ConnectCondition, Iterator>::value>::type* = 0)
+  {
+    for (;next != end; ++next)
+      if (connect_condition(ec, *next))
+        return next;
+    return end;
+  }
+}
+
+template <typename Protocol ASIO_SVC_TPARAM, typename EndpointSequence>
+typename Protocol::endpoint connect(
+    basic_socket<Protocol ASIO_SVC_TARG>& s,
+    const EndpointSequence& endpoints,
+    typename enable_if<is_endpoint_sequence<
+        EndpointSequence>::value>::type*)
+{
+  asio::error_code ec;
+  typename Protocol::endpoint result = connect(s, endpoints, ec);
+  asio::detail::throw_error(ec, "connect");
+  return result;
+}
+
+template <typename Protocol ASIO_SVC_TPARAM, typename EndpointSequence>
+typename Protocol::endpoint connect(
+    basic_socket<Protocol ASIO_SVC_TARG>& s,
+    const EndpointSequence& endpoints, asio::error_code& ec,
+    typename enable_if<is_endpoint_sequence<
+        EndpointSequence>::value>::type*)
+{
+  return detail::deref_connect_result<Protocol>(
+      connect(s, endpoints.begin(), endpoints.end(),
+        detail::default_connect_condition(), ec), ec);
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
+Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
+    typename enable_if<!is_endpoint_sequence<Iterator>::value>::type*)
+{
+  asio::error_code ec;
+  Iterator result = connect(s, begin, ec);
+  asio::detail::throw_error(ec, "connect");
+  return result;
+}
+
+template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
+inline Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+    Iterator begin, asio::error_code& ec,
+    typename enable_if<!is_endpoint_sequence<Iterator>::value>::type*)
+{
+  return connect(s, begin, Iterator(), detail::default_connect_condition(), ec);
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
+Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+    Iterator begin, Iterator end)
+{
+  asio::error_code ec;
+  Iterator result = connect(s, begin, end, ec);
+  asio::detail::throw_error(ec, "connect");
+  return result;
+}
+
+template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
+inline Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+    Iterator begin, Iterator end, asio::error_code& ec)
+{
+  return connect(s, begin, end, detail::default_connect_condition(), ec);
+}
+
+template <typename Protocol ASIO_SVC_TPARAM,
+    typename EndpointSequence, typename ConnectCondition>
+typename Protocol::endpoint connect(
+    basic_socket<Protocol ASIO_SVC_TARG>& s,
+    const EndpointSequence& endpoints, ConnectCondition connect_condition,
+    typename enable_if<is_endpoint_sequence<
+        EndpointSequence>::value>::type*)
+{
+  asio::error_code ec;
+  typename Protocol::endpoint result = connect(
+      s, endpoints, connect_condition, ec);
+  asio::detail::throw_error(ec, "connect");
+  return result;
+}
+
+template <typename Protocol ASIO_SVC_TPARAM,
+    typename EndpointSequence, typename ConnectCondition>
+typename Protocol::endpoint connect(
+    basic_socket<Protocol ASIO_SVC_TARG>& s,
+    const EndpointSequence& endpoints, ConnectCondition connect_condition,
+    asio::error_code& ec,
+    typename enable_if<is_endpoint_sequence<
+        EndpointSequence>::value>::type*)
+{
+  return detail::deref_connect_result<Protocol>(
+      connect(s, endpoints.begin(), endpoints.end(),
+        connect_condition, ec), ec);
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+template <typename Protocol ASIO_SVC_TPARAM,
+    typename Iterator, typename ConnectCondition>
+Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+    Iterator begin, ConnectCondition connect_condition,
+    typename enable_if<!is_endpoint_sequence<Iterator>::value>::type*)
+{
+  asio::error_code ec;
+  Iterator result = connect(s, begin, connect_condition, ec);
+  asio::detail::throw_error(ec, "connect");
+  return result;
+}
+
+template <typename Protocol ASIO_SVC_TPARAM,
+    typename Iterator, typename ConnectCondition>
+inline Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+    Iterator begin, ConnectCondition connect_condition,
+    asio::error_code& ec,
+    typename enable_if<!is_endpoint_sequence<Iterator>::value>::type*)
+{
+  return connect(s, begin, Iterator(), connect_condition, ec);
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+template <typename Protocol ASIO_SVC_TPARAM,
+    typename Iterator, typename ConnectCondition>
+Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+    Iterator begin, Iterator end, ConnectCondition connect_condition)
+{
+  asio::error_code ec;
+  Iterator result = connect(s, begin, end, connect_condition, ec);
+  asio::detail::throw_error(ec, "connect");
+  return result;
+}
+
+template <typename Protocol ASIO_SVC_TPARAM,
+    typename Iterator, typename ConnectCondition>
+Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+    Iterator begin, Iterator end, ConnectCondition connect_condition,
+    asio::error_code& ec)
+{
+  ec = asio::error_code();
+
+  for (Iterator iter = begin; iter != end; ++iter)
+  {
+    iter = (detail::call_connect_condition(connect_condition, ec, iter, end));
+    if (iter != end)
+    {
+      s.close(ec);
+      s.connect(*iter, ec);
+      if (!ec)
+        return iter;
+    }
+    else
+      break;
+  }
+
+  if (!ec)
+    ec = asio::error::not_found;
+
+  return end;
+}
+
+namespace detail
+{
+  // Enable the empty base class optimisation for the connect condition.
+  template <typename ConnectCondition>
+  class base_from_connect_condition
+  {
+  protected:
+    explicit base_from_connect_condition(
+        const ConnectCondition& connect_condition)
+      : connect_condition_(connect_condition)
+    {
+    }
+
+    template <typename Iterator>
+    void check_condition(const asio::error_code& ec,
+        Iterator& iter, Iterator& end)
+    {
+      iter = detail::call_connect_condition(connect_condition_, ec, iter, end);
+    }
+
+  private:
+    ConnectCondition connect_condition_;
+  };
+
+  // The default_connect_condition implementation is essentially a no-op. This
+  // template specialisation lets us eliminate all costs associated with it.
+  template <>
+  class base_from_connect_condition<default_connect_condition>
+  {
+  protected:
+    explicit base_from_connect_condition(const default_connect_condition&)
+    {
+    }
+
+    template <typename Iterator>
+    void check_condition(const asio::error_code&, Iterator&, Iterator&)
+    {
+    }
+  };
+
+  template <typename Protocol ASIO_SVC_TPARAM,
+      typename EndpointSequence, typename ConnectCondition,
+      typename RangeConnectHandler>
+  class range_connect_op : base_from_connect_condition<ConnectCondition>
+  {
+  public:
+    range_connect_op(basic_socket<Protocol ASIO_SVC_TARG>& sock,
+        const EndpointSequence& endpoints,
+        const ConnectCondition& connect_condition,
+        RangeConnectHandler& handler)
+      : base_from_connect_condition<ConnectCondition>(connect_condition),
+        socket_(sock),
+        endpoints_(endpoints),
+        index_(0),
+        start_(0),
+        handler_(ASIO_MOVE_CAST(RangeConnectHandler)(handler))
+    {
+    }
+
+#if defined(ASIO_HAS_MOVE)
+    range_connect_op(const range_connect_op& other)
+      : base_from_connect_condition<ConnectCondition>(other),
+        socket_(other.socket_),
+        endpoints_(other.endpoints_),
+        index_(other.index_),
+        start_(other.start_),
+        handler_(other.handler_)
+    {
+    }
+
+    range_connect_op(range_connect_op&& other)
+      : base_from_connect_condition<ConnectCondition>(other),
+        socket_(other.socket_),
+        endpoints_(other.endpoints_),
+        index_(other.index_),
+        start_(other.start_),
+        handler_(ASIO_MOVE_CAST(RangeConnectHandler)(other.handler_))
+    {
+    }
+#endif // defined(ASIO_HAS_MOVE)
+
+    void operator()(asio::error_code ec, int start = 0)
+    {
+      typename EndpointSequence::const_iterator begin = endpoints_.begin();
+      typename EndpointSequence::const_iterator iter = begin;
+      std::advance(iter, index_);
+      typename EndpointSequence::const_iterator end = endpoints_.end();
+
+      switch (start_ = start)
+      {
+        case 1:
+        for (;;)
+        {
+          this->check_condition(ec, iter, end);
+          index_ = std::distance(begin, iter);
+
+          if (iter != end)
+          {
+            socket_.close(ec);
+            socket_.async_connect(*iter,
+                ASIO_MOVE_CAST(range_connect_op)(*this));
+            return;
+          }
+
+          if (start)
+          {
+            ec = asio::error::not_found;
+            asio::post(socket_.get_executor(),
+                detail::bind_handler(
+                  ASIO_MOVE_CAST(range_connect_op)(*this), ec));
+            return;
+          }
+
+          default:
+
+          if (iter == end)
+            break;
+
+          if (!socket_.is_open())
+          {
+            ec = asio::error::operation_aborted;
+            break;
+          }
+
+          if (!ec)
+            break;
+
+          ++iter;
+          ++index_;
+        }
+
+        handler_(static_cast<const asio::error_code&>(ec),
+            static_cast<const typename Protocol::endpoint&>(
+              ec || iter == end ? typename Protocol::endpoint() : *iter));
+      }
+    }
+
+  //private:
+    basic_socket<Protocol ASIO_SVC_TARG>& socket_;
+    EndpointSequence endpoints_;
+    std::size_t index_;
+    int start_;
+    RangeConnectHandler handler_;
+  };
+
+  template <typename Protocol ASIO_SVC_TPARAM,
+      typename EndpointSequence, typename ConnectCondition,
+      typename RangeConnectHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
+        ConnectCondition, RangeConnectHandler>* this_handler)
+  {
+    return asio_handler_alloc_helpers::allocate(
+        size, this_handler->handler_);
+  }
+
+  template <typename Protocol ASIO_SVC_TPARAM,
+      typename EndpointSequence, typename ConnectCondition,
+      typename RangeConnectHandler>
+  inline void asio_handler_deallocate(void* pointer, std::size_t size,
+      range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
+        ConnectCondition, RangeConnectHandler>* this_handler)
+  {
+    asio_handler_alloc_helpers::deallocate(
+        pointer, size, this_handler->handler_);
+  }
+
+  template <typename Protocol ASIO_SVC_TPARAM,
+      typename EndpointSequence, typename ConnectCondition,
+      typename RangeConnectHandler>
+  inline bool asio_handler_is_continuation(
+      range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
+        ConnectCondition, RangeConnectHandler>* this_handler)
+  {
+    return asio_handler_cont_helpers::is_continuation(
+        this_handler->handler_);
+  }
+
+  template <typename Function, typename Protocol
+      ASIO_SVC_TPARAM, typename EndpointSequence,
+      typename ConnectCondition, typename RangeConnectHandler>
+  inline void asio_handler_invoke(Function& function,
+      range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
+        ConnectCondition, RangeConnectHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  template <typename Function, typename Protocol
+      ASIO_SVC_TPARAM, typename EndpointSequence,
+      typename ConnectCondition, typename RangeConnectHandler>
+  inline void asio_handler_invoke(const Function& function,
+      range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
+        ConnectCondition, RangeConnectHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+      typename ConnectCondition, typename IteratorConnectHandler>
+  class iterator_connect_op : base_from_connect_condition<ConnectCondition>
+  {
+  public:
+    iterator_connect_op(basic_socket<Protocol ASIO_SVC_TARG>& sock,
+        const Iterator& begin, const Iterator& end,
+        const ConnectCondition& connect_condition,
+        IteratorConnectHandler& handler)
+      : base_from_connect_condition<ConnectCondition>(connect_condition),
+        socket_(sock),
+        iter_(begin),
+        end_(end),
+        start_(0),
+        handler_(ASIO_MOVE_CAST(IteratorConnectHandler)(handler))
+    {
+    }
+
+#if defined(ASIO_HAS_MOVE)
+    iterator_connect_op(const iterator_connect_op& other)
+      : base_from_connect_condition<ConnectCondition>(other),
+        socket_(other.socket_),
+        iter_(other.iter_),
+        end_(other.end_),
+        start_(other.start_),
+        handler_(other.handler_)
+    {
+    }
+
+    iterator_connect_op(iterator_connect_op&& other)
+      : base_from_connect_condition<ConnectCondition>(other),
+        socket_(other.socket_),
+        iter_(other.iter_),
+        end_(other.end_),
+        start_(other.start_),
+        handler_(ASIO_MOVE_CAST(IteratorConnectHandler)(other.handler_))
+    {
+    }
+#endif // defined(ASIO_HAS_MOVE)
+
+    void operator()(asio::error_code ec, int start = 0)
+    {
+      switch (start_ = start)
+      {
+        case 1:
+        for (;;)
+        {
+          this->check_condition(ec, iter_, end_);
+
+          if (iter_ != end_)
+          {
+            socket_.close(ec);
+            socket_.async_connect(*iter_,
+                ASIO_MOVE_CAST(iterator_connect_op)(*this));
+            return;
+          }
+
+          if (start)
+          {
+            ec = asio::error::not_found;
+            asio::post(socket_.get_executor(),
+                detail::bind_handler(
+                  ASIO_MOVE_CAST(iterator_connect_op)(*this), ec));
+            return;
+          }
+
+          default:
+
+          if (iter_ == end_)
+            break;
+
+          if (!socket_.is_open())
+          {
+            ec = asio::error::operation_aborted;
+            break;
+          }
+
+          if (!ec)
+            break;
+
+          ++iter_;
+        }
+
+        handler_(static_cast<const asio::error_code&>(ec),
+            static_cast<const Iterator&>(iter_));
+      }
+    }
+
+  //private:
+    basic_socket<Protocol ASIO_SVC_TARG>& socket_;
+    Iterator iter_;
+    Iterator end_;
+    int start_;
+    IteratorConnectHandler handler_;
+  };
+
+  template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+      typename ConnectCondition, typename IteratorConnectHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+        ConnectCondition, IteratorConnectHandler>* this_handler)
+  {
+    return asio_handler_alloc_helpers::allocate(
+        size, this_handler->handler_);
+  }
+
+  template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+      typename ConnectCondition, typename IteratorConnectHandler>
+  inline void asio_handler_deallocate(void* pointer, std::size_t size,
+      iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+        ConnectCondition, IteratorConnectHandler>* this_handler)
+  {
+    asio_handler_alloc_helpers::deallocate(
+        pointer, size, this_handler->handler_);
+  }
+
+  template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+      typename ConnectCondition, typename IteratorConnectHandler>
+  inline bool asio_handler_is_continuation(
+      iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+        ConnectCondition, IteratorConnectHandler>* this_handler)
+  {
+    return asio_handler_cont_helpers::is_continuation(
+        this_handler->handler_);
+  }
+
+  template <typename Function, typename Protocol
+      ASIO_SVC_TPARAM, typename Iterator,
+      typename ConnectCondition, typename IteratorConnectHandler>
+  inline void asio_handler_invoke(Function& function,
+      iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+        ConnectCondition, IteratorConnectHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  template <typename Function, typename Protocol
+      ASIO_SVC_TPARAM, typename Iterator,
+      typename ConnectCondition, typename IteratorConnectHandler>
+  inline void asio_handler_invoke(const Function& function,
+      iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+        ConnectCondition, IteratorConnectHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename Protocol ASIO_SVC_TPARAM,
+    typename EndpointSequence, typename ConnectCondition,
+    typename RangeConnectHandler, typename Allocator>
+struct associated_allocator<
+    detail::range_connect_op<Protocol ASIO_SVC_TARG,
+      EndpointSequence, ConnectCondition, RangeConnectHandler>,
+    Allocator>
+{
+  typedef typename associated_allocator<
+      RangeConnectHandler, Allocator>::type type;
+
+  static type get(
+      const detail::range_connect_op<Protocol ASIO_SVC_TARG,
+        EndpointSequence, ConnectCondition, RangeConnectHandler>& h,
+      const Allocator& a = Allocator()) ASIO_NOEXCEPT
+  {
+    return associated_allocator<RangeConnectHandler,
+        Allocator>::get(h.handler_, a);
+  }
+};
+
+template <typename Protocol ASIO_SVC_TPARAM,
+    typename EndpointSequence, typename ConnectCondition,
+    typename RangeConnectHandler, typename Executor>
+struct associated_executor<
+    detail::range_connect_op<Protocol ASIO_SVC_TARG,
+      EndpointSequence, ConnectCondition, RangeConnectHandler>,
+    Executor>
+{
+  typedef typename associated_executor<
+      RangeConnectHandler, Executor>::type type;
+
+  static type get(
+      const detail::range_connect_op<Protocol ASIO_SVC_TARG,
+        EndpointSequence, ConnectCondition, RangeConnectHandler>& h,
+      const Executor& ex = Executor()) ASIO_NOEXCEPT
+  {
+    return associated_executor<RangeConnectHandler,
+        Executor>::get(h.handler_, ex);
+  }
+};
+
+template <typename Protocol ASIO_SVC_TPARAM,
+    typename Iterator, typename ConnectCondition,
+    typename IteratorConnectHandler, typename Allocator>
+struct associated_allocator<
+    detail::iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+      ConnectCondition, IteratorConnectHandler>,
+    Allocator>
+{
+  typedef typename associated_allocator<
+      IteratorConnectHandler, Allocator>::type type;
+
+  static type get(
+      const detail::iterator_connect_op<Protocol ASIO_SVC_TARG,
+        Iterator, ConnectCondition, IteratorConnectHandler>& h,
+      const Allocator& a = Allocator()) ASIO_NOEXCEPT
+  {
+    return associated_allocator<IteratorConnectHandler,
+        Allocator>::get(h.handler_, a);
+  }
+};
+
+template <typename Protocol ASIO_SVC_TPARAM,
+    typename Iterator, typename ConnectCondition,
+    typename IteratorConnectHandler, typename Executor>
+struct associated_executor<
+    detail::iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+      ConnectCondition, IteratorConnectHandler>,
+    Executor>
+{
+  typedef typename associated_executor<
+      IteratorConnectHandler, Executor>::type type;
+
+  static type get(
+      const detail::iterator_connect_op<Protocol ASIO_SVC_TARG,
+        Iterator, ConnectCondition, IteratorConnectHandler>& h,
+      const Executor& ex = Executor()) ASIO_NOEXCEPT
+  {
+    return associated_executor<IteratorConnectHandler,
+        Executor>::get(h.handler_, ex);
+  }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename Protocol ASIO_SVC_TPARAM,
+    typename EndpointSequence, typename RangeConnectHandler>
+inline ASIO_INITFN_RESULT_TYPE(RangeConnectHandler,
+    void (asio::error_code, typename Protocol::endpoint))
+async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+    const EndpointSequence& endpoints,
+    ASIO_MOVE_ARG(RangeConnectHandler) handler,
+    typename enable_if<is_endpoint_sequence<
+        EndpointSequence>::value>::type*)
+{
+  // If you get an error on the following line it means that your handler does
+  // not meet the documented type requirements for a RangeConnectHandler.
+  ASIO_RANGE_CONNECT_HANDLER_CHECK(
+      RangeConnectHandler, handler, typename Protocol::endpoint) type_check;
+
+  async_completion<RangeConnectHandler,
+    void (asio::error_code, typename Protocol::endpoint)>
+      init(handler);
+
+  detail::range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
+    detail::default_connect_condition,
+      ASIO_HANDLER_TYPE(RangeConnectHandler,
+        void (asio::error_code, typename Protocol::endpoint))>(s,
+          endpoints, detail::default_connect_condition(),
+            init.completion_handler)(asio::error_code(), 1);
+
+  return init.result.get();
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+template <typename Protocol ASIO_SVC_TPARAM,
+    typename Iterator, typename IteratorConnectHandler>
+inline ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
+    void (asio::error_code, Iterator))
+async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+    Iterator begin, ASIO_MOVE_ARG(IteratorConnectHandler) handler,
+    typename enable_if<!is_endpoint_sequence<Iterator>::value>::type*)
+{
+  // If you get an error on the following line it means that your handler does
+  // not meet the documented type requirements for a IteratorConnectHandler.
+  ASIO_ITERATOR_CONNECT_HANDLER_CHECK(
+      IteratorConnectHandler, handler, Iterator) type_check;
+
+  async_completion<IteratorConnectHandler,
+    void (asio::error_code, Iterator)> init(handler);
+
+  detail::iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+    detail::default_connect_condition, ASIO_HANDLER_TYPE(
+      IteratorConnectHandler, void (asio::error_code, Iterator))>(s,
+        begin, Iterator(), detail::default_connect_condition(),
+          init.completion_handler)(asio::error_code(), 1);
+
+  return init.result.get();
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+template <typename Protocol ASIO_SVC_TPARAM,
+    typename Iterator, typename IteratorConnectHandler>
+inline ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
+    void (asio::error_code, Iterator))
+async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+    Iterator begin, Iterator end,
+    ASIO_MOVE_ARG(IteratorConnectHandler) handler)
+{
+  // If you get an error on the following line it means that your handler does
+  // not meet the documented type requirements for a IteratorConnectHandler.
+  ASIO_ITERATOR_CONNECT_HANDLER_CHECK(
+      IteratorConnectHandler, handler, Iterator) type_check;
+
+  async_completion<IteratorConnectHandler,
+    void (asio::error_code, Iterator)> init(handler);
+
+  detail::iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+    detail::default_connect_condition, ASIO_HANDLER_TYPE(
+      IteratorConnectHandler, void (asio::error_code, Iterator))>(s,
+        begin, end, detail::default_connect_condition(),
+          init.completion_handler)(asio::error_code(), 1);
+
+  return init.result.get();
+}
+
+template <typename Protocol ASIO_SVC_TPARAM, typename EndpointSequence,
+    typename ConnectCondition, typename RangeConnectHandler>
+inline ASIO_INITFN_RESULT_TYPE(RangeConnectHandler,
+    void (asio::error_code, typename Protocol::endpoint))
+async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+    const EndpointSequence& endpoints, ConnectCondition connect_condition,
+    ASIO_MOVE_ARG(RangeConnectHandler) handler,
+    typename enable_if<is_endpoint_sequence<
+        EndpointSequence>::value>::type*)
+{
+  // If you get an error on the following line it means that your handler does
+  // not meet the documented type requirements for a RangeConnectHandler.
+  ASIO_RANGE_CONNECT_HANDLER_CHECK(
+      RangeConnectHandler, handler, typename Protocol::endpoint) type_check;
+
+  async_completion<RangeConnectHandler,
+    void (asio::error_code, typename Protocol::endpoint)>
+      init(handler);
+
+  detail::range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
+    ConnectCondition, ASIO_HANDLER_TYPE(RangeConnectHandler,
+      void (asio::error_code, typename Protocol::endpoint))>(s,
+        endpoints, connect_condition, init.completion_handler)(
+          asio::error_code(), 1);
+
+  return init.result.get();
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+    typename ConnectCondition, typename IteratorConnectHandler>
+inline ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
+    void (asio::error_code, Iterator))
+async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+    Iterator begin, ConnectCondition connect_condition,
+    ASIO_MOVE_ARG(IteratorConnectHandler) handler,
+    typename enable_if<!is_endpoint_sequence<Iterator>::value>::type*)
+{
+  // If you get an error on the following line it means that your handler does
+  // not meet the documented type requirements for a IteratorConnectHandler.
+  ASIO_ITERATOR_CONNECT_HANDLER_CHECK(
+      IteratorConnectHandler, handler, Iterator) type_check;
+
+  async_completion<IteratorConnectHandler,
+    void (asio::error_code, Iterator)> init(handler);
+
+  detail::iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+    ConnectCondition, ASIO_HANDLER_TYPE(
+      IteratorConnectHandler, void (asio::error_code, Iterator))>(s,
+        begin, Iterator(), connect_condition, init.completion_handler)(
+          asio::error_code(), 1);
+
+  return init.result.get();
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+    typename ConnectCondition, typename IteratorConnectHandler>
+inline ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
+    void (asio::error_code, Iterator))
+async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+    Iterator begin, Iterator end, ConnectCondition connect_condition,
+    ASIO_MOVE_ARG(IteratorConnectHandler) handler)
+{
+  // If you get an error on the following line it means that your handler does
+  // not meet the documented type requirements for a IteratorConnectHandler.
+  ASIO_ITERATOR_CONNECT_HANDLER_CHECK(
+      IteratorConnectHandler, handler, Iterator) type_check;
+
+  async_completion<IteratorConnectHandler,
+    void (asio::error_code, Iterator)> init(handler);
+
+  detail::iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+    ConnectCondition, ASIO_HANDLER_TYPE(
+      IteratorConnectHandler, void (asio::error_code, Iterator))>(s,
+        begin, end, connect_condition, init.completion_handler)(
+          asio::error_code(), 1);
+
+  return init.result.get();
+}
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IMPL_CONNECT_HPP