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Determine
if an execution_context
contains a specified service type.
template<
typename Service>
friend bool has_service(
execution_context & e);
This function is used to determine whether the execution_context
contains a service object corresponding to the given service type.
The execution_context
object that owns the service.
A boolean indicating whether the execution_context
contains the service.
Header: asio/execution_context.hpp
Convenience header: asio.hpp