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Coding Standards
This is an older version of Boost and was released in 2023. The current version is 1.89.0.
(Inherited from async_base)
The type of cancellation_slot associated with this object.
using cancellation_slot_type = beast::detail::filtering_cancellation_slot< net::associated_cancellation_slot_t< Handler > >;
If a class derived from async_base is a completion handler,
then the associated cancellation_slot of the derived class will be this
type. The default type is a filtering cancellation slot, that only allows
terminal cancellation.