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A completion token adapter that cancels an operation at a given time.
template< typename CompletionToken, typename Clock, typename WaitTraits = asio::wait_traits<Clock>, typename Executor = any_io_executor> class cancel_at_timer
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cancel_at_timer [constructor] |
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The cancel_at_timer
class is used to indicate that an asynchronous operation should be cancelled
if not complete at the specified absolute time.
Header: asio/cancel_at.hpp
Convenience header: asio.hpp