Method sync_impl

imperative/src/impl/interpreter/interpreter_impl.cpp:567–571

}

void ChannelImpl::sync_impl() {
    m_worker.wait_all_task_finish();
    MGB_LOCK_GUARD(m_mutex);
    check_worker_exc_unsafe();
}

void ChannelImpl::close() {
    MGB_LOCK_GUARD(m_spin);