David Fang <[EMAIL PROTECTED]> writes: >> > To give a little more context for what I'm trying to do in C++ >> > (experimentally): I've discovered that std::ifstream foo("/dev/stdin") >> > results in a file stream that works just like cin, likewise for stdout, >> > etc... Just like in standard C, one could use stdin, stdout, stderr as >> > FILE*, I'd like to do the equivalent with std::fstream's. (std::cin is a >> > basic_istream, not type-equivalent to a basic_ifstream.) >> >> But basic_ifstream is a basic_istream. > > Sorry for the confusion, I meant that the need to be *identical*, not just > derivable from the other, because I'm containing their objects (value), > not references. > struct foo { ifstream _stream; };
I think you are making a design bug. An iostream is generally not copyable, so you should always using it via a reference. Andreas. -- Andreas Schwab, SuSE Labs, [EMAIL PROTECTED] SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." _______________________________________________ Autoconf mailing list Autoconf@gnu.org http://lists.gnu.org/mailman/listinfo/autoconf