std::std::uses_allocator<std::packaged_task>
From cppreference.com
Template:cpp/thread/packaged task/sidebar
template< class R, class Alloc > struct uses_allocator<std::promise<R>, Alloc> : true_type { }; |
(since C++11) | |
Provides a specialization of the std::uses_allocator type trait for std::promise.