### get_associated_cancellation_slot

Helper function to obtain an object's associated `cancellation_slot`.

    template<
        typename T>
    associated_cancellation_slot< T >::type get_associated_cancellation_slot(
        const T & t);
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    template<
        typename T,
        typename CancellationSlot>
    auto get_associated_cancellation_slot(
        const T & t,
        const CancellationSlot & st);
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##### Requirements

Header: `asio/associated_cancellation_slot.hpp`

Convenience header: `asio.hpp`