class Rufus::Scheduler

def do_unschedule (job_id)
    for i in 0...@pending_jobs.length
        if @pending_jobs[i].job_id == job_id
            @pending_jobs.delete_at i
            return true
        end
    end
        #
        # not using delete_if because it scans the whole list
    do_unschedule_cron_job job_id
end