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Coding Standards
This is an older version of Boost and was released in 2013. The current version is 1.89.0.
Determine if an io_service contains a specified
service type.
template< typename Service> friend bool has_service( io_service & ios);
This function is used to determine whether the io_service contains a service
object corresponding to the given service type.
The io_service object that owns
the service.
A boolean indicating whether the io_service contains the service.
Header: boost/asio/io_service.hpp
Convenience header: boost/asio.hpp