You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: inline_thread_pool.rb
    path of file: ./repos/tomo/lib/tomo/runtime
    
    the code of the file until where you have to start completion: module Tomo
  class Ru
    
      def post(*args)
        return if failure?

        yield(*args)
        nil
      rescue StandardError => e
        self.failure = e
        nil
      end