Method process

test/anyflow/test_processor.cpp:517–521

      return 0;
    }
    virtual int process() noexcept override {
      ::usleep(100000);
      *x.emit() = "10086";
      return 0;
    }
    ANYFLOW_INTERFACE(ANYFLOW_EMIT_DATA(::std::string, x))
  };
  builder