future (uses_allocator<packaged_task<>,>): Add; minor formatting tweaks.

2010-10-08  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/future (uses_allocator<packaged_task<>,>): Add;
	minor formatting tweaks.

From-SVN: r165151

libstdc++-v3/ChangeLog

+2010-10-08  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* include/std/future (uses_allocator<packaged_task<>,>): Add;
+	minor formatting tweaks.
+
 2010-10-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
 
 	* include/std/future: Enable allocator support.

libstdc++-v3/include/std/future

@@ -904,6 +904,11 @@ namespace std
     swap(promise<_Res>& __x, promise<_Res>& __y)
     { __x.swap(__y); }
 
+  template<typename _Res, typename _Alloc>
+    struct uses_allocator<promise<_Res>, _Alloc>
+    : public true_type { };
+
+
   /// Partial specialization for promise<R&>
   template<typename _Res>
     class promise<_Res&>
@@ -1002,7 +1007,6 @@ namespace std
 	_M_storage(std::move(__rhs._M_storage))
       { }
 
-
       template<typename _Allocator>
         promise(allocator_arg_t, const _Allocator& __a)
         : _M_future(std::allocate_shared<_State>(__a)),
@@ -1076,9 +1080,6 @@ namespace std
     _M_future->_M_set_result(std::move(__setter));
   }
 
-  template<typename _Res, class Alloc>
-    struct uses_allocator<promise<_Res>, Alloc> : true_type  { };
-
 
   template<typename _StateT, typename _Res>
     struct __future_base::_Task_setter
@@ -1129,8 +1130,8 @@ namespace std
 
       template<typename _Func, typename _Alloc>
         _Task_state(_Func&& __task, const _Alloc& __a)
-        : _M_result(_S_allocate_result<_Res>(__a))
-        , _M_task(allocator_arg, __a, std::move(__task))
+        : _M_result(_S_allocate_result<_Res>(__a)),
+	  _M_task(allocator_arg, __a, std::move(__task))
         { }
 
       void
@@ -1249,6 +1250,11 @@ namespace std
 	 packaged_task<_Res(_ArgTypes...)>& __y)
     { __x.swap(__y); }
 
+  template<typename _Res, typename _Alloc>
+    struct uses_allocator<packaged_task<_Res>, _Alloc>
+    : public true_type { };
+
+
   template<typename _Res>
     class __future_base::_Deferred_state : public __future_base::_State
     {