Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Traits type used to obtain the cancellation_slot associated with
an object.
template< typename T, typename CancellationSlot = cancellation_slot> struct associated_cancellation_slot
|
Name |
Description |
|---|---|
|
If T has a nested type cancellation_slot_type, T::cancellation_slot_type. Otherwise CancellationSlot. |
|
Name |
Description |
|---|---|
|
decltype [static] |
If T has a nested type cancellation_slot_type, returns t.get_cancellation_slot().
Otherwise returns type(). |
|
Name |
Description |
|---|---|
A program may specialise this traits type if the T
template parameter in the specialisation is a user-defined type. The template
parameter CancellationSlot
shall be a type meeting the CancellationSlot requirements.
Specialisations shall meet the following requirements, where t is a const reference to an object of
type T, and s is an object of type CancellationSlot.
type
that identifies a type meeting the CancellationSlot requirements.
get,
callable as get(t)
and with return type type
or a (possibly const) reference to type.
get,
callable as get(t,s)
and with return type type
or a (possibly const) reference to type.
Header: boost/asio/associated_cancellation_slot.hpp
Convenience header: boost/asio.hpp