message: dont print error message by default
diff: @@ -68,19 +68,7 @@ template <typename _CharT, typename _Traits>
  std::basic_ostream<_CharT, _Traits>& operator<<(
  std::basic_ostream<_CharT, _Traits>& os, uverr ec)
  {
  -#ifdef _WIN32
  - // on windows, indicate libuv error
  - if (ec.value() != 0)
  - return (os << "uverr: " << ec.os_value() << ", " << ec.message());
  - else
  - return (os << "uverr: 0");
  -#else
  - // on linux, display the Unix error codes
  - if (ec.value() != 0)
  - return (os << ec.os_value() << ", " << ec.message());
  - else
  - return (os << "0");
  -#endif
  + return (os << ec.os_value());
  }
  } // namespace
  