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fix result_of<> usage

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This commit is contained in:
Oliver Kowalke
2015-12-13 10:52:18 +01:00
parent aac6b190f3
commit 3272f3ca8a
1 changed files with 6 additions and 8 deletions
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14
include/boost/fiber/future/async.hpp
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@@ -21,24 +21,22 @@ namespace boost {
namespace fibers {
template< typename Fn, typename ... Args >
future< typename std::result_of< Fn &&( Args && ... ) >::type >
future< typename std::result_of< Fn( Args && ... ) >::type >
async( Fn && fn, Args && ... args) {
typedef typename std::result_of< Fn &&( Args && ... ) >::type result_type;
typedef typename std::result_of< Fn( Args && ... ) >::type result_type;
packaged_task< result_type( typename std::decay< Args >::type ... ) > pt{
std::forward< Fn >( fn) };
packaged_task< result_type( Args && ... ) > pt{ std::forward< Fn >( fn) };
future< result_type > f{ pt.get_future() };
fiber{ std::move( pt), std::forward< Args >( args) ... }.detach();
return f;
}
template< typename StackAllocator, typename Fn, typename ... Args >
future< typename std::result_of< Fn &&( Args && ... ) >::type >
future< typename std::result_of< Fn( Args && ... ) >::type >
async( std::allocator_arg_t, StackAllocator salloc, Fn && fn, Args && ... args) {
typedef typename std::result_of< Fn &&( Args && ... ) >::type result_type;
typedef typename std::result_of< Fn( Args && ... ) >::type result_type;
packaged_task< result_type( typename std::decay< Args >::type ... ) > pt{
std::forward< Fn >( fn) };
packaged_task< result_type( Args && ... ) > pt{ std::forward< Fn >( fn) };
future< result_type > f{ pt.get_future() };
fiber{ salloc, std::move( pt), std::forward< Args >( args) ... }.detach();
return f;