io_context::make

Inherited from execution_context.

Creates a service object and adds it to the execution_context.

template<
    typename Service,
    typename... Args>
friend Service & make_service(
    execution_context & e,
    Args &&... args);

This function is used to add a service to the execution_context.

boost::asio::service_already_exists: Thrown if a service of the given type is already present in the execution_context.

Header: boost/asio/io_context.hpp

Convenience header: boost/asio.hpp