Method clear

3rd/asio-1.24.0/include/asio/error_code.hpp:105–109

Clear the error value to the default.

  /// Clear the error value to the default.
  void clear()
  {
    value_ = 0;
    category_ = &system_category();
  }

  /// Assign a new error value.
  void assign(int v, const error_category& c)