> > 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'm writing a little stream manager that maintains stream objects (not
> > references to) internally without any run-time polymorphism, so I need
> > one single type to handle both stdio and file streams,
>
> That would be basic_istream/ostream.
But there's no such interface as
std::istream::open(const char*);
as there is with
std::ifstream::open(const char*);
which is what I need.
Thanks again for the responses.
I know this is getting a little off-topic!
David
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