diff --git a/asio/include/asio/detail/bind_handler.hpp b/asio/include/asio/detail/bind_handler.hpp
index 1747777..0148eec 100644
--- a/asio/include/asio/detail/bind_handler.hpp
+++ b/asio/include/asio/detail/bind_handler.hpp
@@ -31,8 +31,8 @@
 class binder1
 {
 public:
-  binder1(const Handler& handler, const Arg1& arg1)
-    : handler_(handler),
+  binder1(int, ASIO_MOVE_ARG(Handler) handler, const Arg1& arg1)
+    : handler_(ASIO_MOVE_CAST(Handler)(handler)),
       arg1_(arg1)
   {
   }
@@ -43,6 +43,20 @@
   {
   }
 
+#if defined(ASIO_HAS_MOVE)
+  binder1(const binder1& other)
+    : handler_(other.handler_),
+      arg1_(other.arg1_)
+  {
+  }
+
+  binder1(binder1&& other)
+    : handler_(ASIO_MOVE_CAST(Handler)(other.handler_)),
+      arg1_(ASIO_MOVE_CAST(Arg1)(other.arg1_))
+  {
+  }
+#endif // defined(ASIO_HAS_MOVE)
+
   void operator()()
   {
     handler_(static_cast<const Arg1&>(arg1_));
@@ -99,18 +113,20 @@
 }
 
 template <typename Handler, typename Arg1>
-inline binder1<Handler, Arg1> bind_handler(Handler handler,
-    const Arg1& arg1)
+inline binder1<Handler, Arg1> bind_handler(
+    ASIO_MOVE_ARG(Handler) handler, const Arg1& arg1)
 {
-  return binder1<Handler, Arg1>(handler, arg1);
+  return binder1<Handler, Arg1>(0,
+      ASIO_MOVE_CAST(Handler)(handler), arg1);
 }
 
 template <typename Handler, typename Arg1, typename Arg2>
 class binder2
 {
 public:
-  binder2(const Handler& handler, const Arg1& arg1, const Arg2& arg2)
-    : handler_(handler),
+  binder2(int, ASIO_MOVE_ARG(Handler) handler,
+      const Arg1& arg1, const Arg2& arg2)
+    : handler_(ASIO_MOVE_CAST(Handler)(handler)),
       arg1_(arg1),
       arg2_(arg2)
   {
@@ -123,6 +139,22 @@
   {
   }
 
+#if defined(ASIO_HAS_MOVE)
+  binder2(const binder2& other)
+    : handler_(other.handler_),
+      arg1_(other.arg1_),
+      arg2_(other.arg2_)
+  {
+  }
+
+  binder2(binder2&& other)
+    : handler_(ASIO_MOVE_CAST(Handler)(other.handler_)),
+      arg1_(ASIO_MOVE_CAST(Arg1)(other.arg1_)),
+      arg2_(ASIO_MOVE_CAST(Arg2)(other.arg2_))
+  {
+  }
+#endif // defined(ASIO_HAS_MOVE)
+
   void operator()()
   {
     handler_(static_cast<const Arg1&>(arg1_),
@@ -181,306 +213,11 @@
 }
 
 template <typename Handler, typename Arg1, typename Arg2>
-inline binder2<Handler, Arg1, Arg2> bind_handler(Handler handler,
-    const Arg1& arg1, const Arg2& arg2)
+inline binder2<Handler, Arg1, Arg2> bind_handler(
+    ASIO_MOVE_ARG(Handler) handler, const Arg1& arg1, const Arg2& arg2)
 {
-  return binder2<Handler, Arg1, Arg2>(handler, arg1, arg2);
-}
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
-class binder3
-{
-public:
-  binder3(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
-      const Arg3& arg3)
-    : handler_(handler),
-      arg1_(arg1),
-      arg2_(arg2),
-      arg3_(arg3)
-  {
-  }
-
-  binder3(Handler& handler, const Arg1& arg1, const Arg2& arg2,
-      const Arg3& arg3)
-    : handler_(ASIO_MOVE_CAST(Handler)(handler)),
-      arg1_(arg1),
-      arg2_(arg2),
-      arg3_(arg3)
-  {
-  }
-
-  void operator()()
-  {
-    handler_(static_cast<const Arg1&>(arg1_),
-        static_cast<const Arg2&>(arg2_),
-        static_cast<const Arg3&>(arg3_));
-  }
-
-  void operator()() const
-  {
-    handler_(arg1_, arg2_, arg3_);
-  }
-
-//private:
-  Handler handler_;
-  Arg1 arg1_;
-  Arg2 arg2_;
-  Arg3 arg3_;
-};
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
-inline void* asio_handler_allocate(std::size_t size,
-    binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
-{
-  return asio_handler_alloc_helpers::allocate(
-      size, this_handler->handler_);
-}
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
-inline void asio_handler_deallocate(void* pointer, std::size_t size,
-    binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
-{
-  asio_handler_alloc_helpers::deallocate(
-      pointer, size, this_handler->handler_);
-}
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
-inline bool asio_handler_is_continuation(
-    binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
-{
-  return asio_handler_cont_helpers::is_continuation(
-      this_handler->handler_);
-}
-
-template <typename Function, typename Handler, typename Arg1, typename Arg2,
-    typename Arg3>
-inline void asio_handler_invoke(Function& function,
-    binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
-{
-  asio_handler_invoke_helpers::invoke(
-      function, this_handler->handler_);
-}
-
-template <typename Function, typename Handler, typename Arg1, typename Arg2,
-    typename Arg3>
-inline void asio_handler_invoke(const Function& function,
-    binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
-{
-  asio_handler_invoke_helpers::invoke(
-      function, this_handler->handler_);
-}
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
-inline binder3<Handler, Arg1, Arg2, Arg3> bind_handler(Handler handler,
-    const Arg1& arg1, const Arg2& arg2, const Arg3& arg3)
-{
-  return binder3<Handler, Arg1, Arg2, Arg3>(handler, arg1, arg2, arg3);
-}
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4>
-class binder4
-{
-public:
-  binder4(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
-      const Arg3& arg3, const Arg4& arg4)
-    : handler_(handler),
-      arg1_(arg1),
-      arg2_(arg2),
-      arg3_(arg3),
-      arg4_(arg4)
-  {
-  }
-
-  binder4(Handler& handler, const Arg1& arg1, const Arg2& arg2,
-      const Arg3& arg3, const Arg4& arg4)
-    : handler_(ASIO_MOVE_CAST(Handler)(handler)),
-      arg1_(arg1),
-      arg2_(arg2),
-      arg3_(arg3),
-      arg4_(arg4)
-  {
-  }
-
-  void operator()()
-  {
-    handler_(static_cast<const Arg1&>(arg1_),
-        static_cast<const Arg2&>(arg2_),
-        static_cast<const Arg3&>(arg3_),
-        static_cast<const Arg4&>(arg4_));
-  }
-
-  void operator()() const
-  {
-    handler_(arg1_, arg2_, arg3_, arg4_);
-  }
-
-//private:
-  Handler handler_;
-  Arg1 arg1_;
-  Arg2 arg2_;
-  Arg3 arg3_;
-  Arg4 arg4_;
-};
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4>
-inline void* asio_handler_allocate(std::size_t size,
-    binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
-{
-  return asio_handler_alloc_helpers::allocate(
-      size, this_handler->handler_);
-}
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4>
-inline void asio_handler_deallocate(void* pointer, std::size_t size,
-    binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
-{
-  asio_handler_alloc_helpers::deallocate(
-      pointer, size, this_handler->handler_);
-}
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4>
-inline bool asio_handler_is_continuation(
-    binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
-{
-  return asio_handler_cont_helpers::is_continuation(
-      this_handler->handler_);
-}
-
-template <typename Function, typename Handler, typename Arg1, typename Arg2,
-    typename Arg3, typename Arg4>
-inline void asio_handler_invoke(Function& function,
-    binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
-{
-  asio_handler_invoke_helpers::invoke(
-      function, this_handler->handler_);
-}
-
-template <typename Function, typename Handler, typename Arg1, typename Arg2,
-    typename Arg3, typename Arg4>
-inline void asio_handler_invoke(const Function& function,
-    binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
-{
-  asio_handler_invoke_helpers::invoke(
-      function, this_handler->handler_);
-}
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4>
-inline binder4<Handler, Arg1, Arg2, Arg3, Arg4> bind_handler(
-    Handler handler, const Arg1& arg1, const Arg2& arg2,
-    const Arg3& arg3, const Arg4& arg4)
-{
-  return binder4<Handler, Arg1, Arg2, Arg3, Arg4>(handler, arg1, arg2, arg3,
-      arg4);
-}
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4, typename Arg5>
-class binder5
-{
-public:
-  binder5(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
-      const Arg3& arg3, const Arg4& arg4, const Arg5& arg5)
-    : handler_(handler),
-      arg1_(arg1),
-      arg2_(arg2),
-      arg3_(arg3),
-      arg4_(arg4),
-      arg5_(arg5)
-  {
-  }
-
-  binder5(Handler& handler, const Arg1& arg1, const Arg2& arg2,
-      const Arg3& arg3, const Arg4& arg4, const Arg5& arg5)
-    : handler_(ASIO_MOVE_CAST(Handler)(handler)),
-      arg1_(arg1),
-      arg2_(arg2),
-      arg3_(arg3),
-      arg4_(arg4),
-      arg5_(arg5)
-  {
-  }
-
-  void operator()()
-  {
-    handler_(static_cast<const Arg1&>(arg1_),
-        static_cast<const Arg2&>(arg2_),
-        static_cast<const Arg3&>(arg3_),
-        static_cast<const Arg4&>(arg4_),
-        static_cast<const Arg5&>(arg5_));
-  }
-
-  void operator()() const
-  {
-    handler_(arg1_, arg2_, arg3_, arg4_, arg5_);
-  }
-
-//private:
-  Handler handler_;
-  Arg1 arg1_;
-  Arg2 arg2_;
-  Arg3 arg3_;
-  Arg4 arg4_;
-  Arg5 arg5_;
-};
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4, typename Arg5>
-inline void* asio_handler_allocate(std::size_t size,
-    binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
-{
-  return asio_handler_alloc_helpers::allocate(
-      size, this_handler->handler_);
-}
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4, typename Arg5>
-inline void asio_handler_deallocate(void* pointer, std::size_t size,
-    binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
-{
-  asio_handler_alloc_helpers::deallocate(
-      pointer, size, this_handler->handler_);
-}
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4, typename Arg5>
-inline bool asio_handler_is_continuation(
-    binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
-{
-  return asio_handler_cont_helpers::is_continuation(
-      this_handler->handler_);
-}
-
-template <typename Function, typename Handler, typename Arg1, typename Arg2,
-    typename Arg3, typename Arg4, typename Arg5>
-inline void asio_handler_invoke(Function& function,
-    binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
-{
-  asio_handler_invoke_helpers::invoke(
-      function, this_handler->handler_);
-}
-
-template <typename Function, typename Handler, typename Arg1, typename Arg2,
-    typename Arg3, typename Arg4, typename Arg5>
-inline void asio_handler_invoke(const Function& function,
-    binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
-{
-  asio_handler_invoke_helpers::invoke(
-      function, this_handler->handler_);
-}
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4, typename Arg5>
-inline binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5> bind_handler(
-    Handler handler, const Arg1& arg1, const Arg2& arg2,
-    const Arg3& arg3, const Arg4& arg4, const Arg5& arg5)
-{
-  return binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>(handler, arg1, arg2,
-      arg3, arg4, arg5);
+  return binder2<Handler, Arg1, Arg2>(0,
+      ASIO_MOVE_CAST(Handler)(handler), arg1, arg2);
 }
 
 } // namespace detail
@@ -509,49 +246,6 @@
   }
 };
 
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Allocator>
-struct associated_allocator<detail::binder3<Handler, Arg1, Arg2, Arg3>,
-    Allocator>
-{
-  typedef typename associated_allocator<Handler, Allocator>::type type;
-
-  static type get(const detail::binder3<Handler, Arg1, Arg2, Arg3>& h,
-      const Allocator& a = Allocator()) ASIO_NOEXCEPT
-  {
-    return associated_allocator<Handler, Allocator>::get(h.handler_, a);
-  }
-};
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4, typename Allocator>
-struct associated_allocator<detail::binder4<Handler, Arg1, Arg2, Arg3, Arg4>,
-    Allocator>
-{
-  typedef typename associated_allocator<Handler, Allocator>::type type;
-
-  static type get(const detail::binder4<Handler, Arg1, Arg2, Arg3, Arg4>& h,
-      const Allocator& a = Allocator()) ASIO_NOEXCEPT
-  {
-    return associated_allocator<Handler, Allocator>::get(h.handler_, a);
-  }
-};
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4, typename Arg5, typename Allocator>
-struct associated_allocator<
-    detail::binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>, Allocator>
-{
-  typedef typename associated_allocator<Handler, Allocator>::type type;
-
-  static type get(
-      const detail::binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>& h,
-      const Allocator& a = Allocator()) ASIO_NOEXCEPT
-  {
-    return associated_allocator<Handler, Allocator>::get(h.handler_, a);
-  }
-};
-
 template <typename Handler, typename Arg1, typename Executor>
 struct associated_executor<detail::binder1<Handler, Arg1>, Executor>
 {
@@ -576,49 +270,6 @@
   }
 };
 
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Executor>
-struct associated_executor<detail::binder3<Handler, Arg1, Arg2, Arg3>,
-    Executor>
-{
-  typedef typename associated_executor<Handler, Executor>::type type;
-
-  static type get(const detail::binder3<Handler, Arg1, Arg2, Arg3>& h,
-      const Executor& ex = Executor()) ASIO_NOEXCEPT
-  {
-    return associated_executor<Handler, Executor>::get(h.handler_, ex);
-  }
-};
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4, typename Executor>
-struct associated_executor<detail::binder4<Handler, Arg1, Arg2, Arg3, Arg4>,
-    Executor>
-{
-  typedef typename associated_executor<Handler, Executor>::type type;
-
-  static type get(const detail::binder4<Handler, Arg1, Arg2, Arg3, Arg4>& h,
-      const Executor& ex = Executor()) ASIO_NOEXCEPT
-  {
-    return associated_executor<Handler, Executor>::get(h.handler_, ex);
-  }
-};
-
-template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
-    typename Arg4, typename Arg5, typename Executor>
-struct associated_executor<
-    detail::binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>, Executor>
-{
-  typedef typename associated_executor<Handler, Executor>::type type;
-
-  static type get(
-      const detail::binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>& h,
-      const Executor& ex = Executor()) ASIO_NOEXCEPT
-  {
-    return associated_executor<Handler, Executor>::get(h.handler_, ex);
-  }
-};
-
 } // namespace asio
 
 #include "asio/detail/pop_options.hpp"
diff --git a/asio/include/asio/detail/executor_op.hpp b/asio/include/asio/detail/executor_op.hpp
index 6bace4d..a8b97ca 100644
--- a/asio/include/asio/detail/executor_op.hpp
+++ b/asio/include/asio/detail/executor_op.hpp
@@ -25,21 +25,21 @@
 namespace asio {
 namespace detail {
 
-template <typename Handler, typename Alloc>
-class executor_op : public scheduler_operation
+template <typename Handler, typename Alloc,
+    typename Operation = scheduler_operation>
+class executor_op : public Operation
 {
 public:
   ASIO_DEFINE_HANDLER_ALLOCATOR_PTR(executor_op, Alloc);
 
   executor_op(Handler& h, const Alloc& allocator)
-    : scheduler_operation(&executor_op::do_complete),
+    : Operation(&executor_op::do_complete),
       handler_(ASIO_MOVE_CAST(Handler)(h)),
       allocator_(allocator)
   {
   }
 
-  static void do_complete(void* owner,
-      scheduler_operation* base,
+  static void do_complete(void* owner, Operation* base,
       const asio::error_code& /*ec*/,
       std::size_t /*bytes_transferred*/)
   {
diff --git a/asio/include/asio/detail/work_dispatcher.hpp b/asio/include/asio/detail/work_dispatcher.hpp
index 3ee4797..c4124b9 100644
--- a/asio/include/asio/detail/work_dispatcher.hpp
+++ b/asio/include/asio/detail/work_dispatcher.hpp
@@ -35,6 +35,21 @@
   {
   }
 
+#if defined(ASIO_HAS_MOVE)
+  work_dispatcher(const work_dispatcher& other)
+    : work_(other.work_),
+      handler_(other.handler_)
+  {
+  }
+
+  work_dispatcher(work_dispatcher&& other)
+    : work_(ASIO_MOVE_CAST(executor_work<
+        typename associated_executor<Handler>::type>)(other.work_)),
+      handler_(ASIO_MOVE_CAST(Handler)(other.handler_))
+  {
+  }
+#endif // defined(ASIO_HAS_MOVE)
+
   void operator()()
   {
     typename associated_executor<Handler>::type ex(work_.get_executor());
diff --git a/asio/include/asio/impl/io_service.hpp b/asio/include/asio/impl/io_service.hpp
index d113056..f1a887f 100644
--- a/asio/include/asio/impl/io_service.hpp
+++ b/asio/include/asio/impl/io_service.hpp
@@ -180,7 +180,7 @@
   alloc_type allocator(detail::get_recycling_allocator<Allocator>::get(a));
 
   // Allocate and construct an operation to wrap the function.
-  typedef detail::executor_op<function_type, alloc_type> op;
+  typedef detail::executor_op<function_type, alloc_type, detail::operation> op;
   typename op::ptr p = { allocator, 0, 0 };
   p.v = p.a.allocate(1);
   p.p = new (p.v) op(tmp, allocator);
@@ -204,7 +204,7 @@
   alloc_type allocator(detail::get_recycling_allocator<Allocator>::get(a));
 
   // Allocate and construct an operation to wrap the function.
-  typedef detail::executor_op<function_type, alloc_type> op;
+  typedef detail::executor_op<function_type, alloc_type, detail::operation> op;
   typename op::ptr p = { allocator, 0, 0 };
   p.v = p.a.allocate(1);
   p.p = new (p.v) op(tmp, allocator);
@@ -228,7 +228,7 @@
   alloc_type allocator(detail::get_recycling_allocator<Allocator>::get(a));
 
   // Allocate and construct an operation to wrap the function.
-  typedef detail::executor_op<function_type, alloc_type> op;
+  typedef detail::executor_op<function_type, alloc_type, detail::operation> op;
   typename op::ptr p = { allocator, 0, 0 };
   p.v = p.a.allocate(1);
   p.p = new (p.v) op(tmp, allocator);