Thread: error message

Hi All

am a newbie to this c++ thing so forgive if this seems a bit obvious.
I tried searching but to no avail....

I am getting a weird error in one of my tutorial programs. A simple effort to write data to a file.
The error says:

write.cpp: In function ‘int main()’:
write.cpp:5: error: aggregate ‘std::ostringstream strbuf’ has incomplete type and cannot be defined
write.cpp:19: error: aggregate ‘std::ofstream outf’ has incomplete type and cannot be defined


line 5 is;

Code:

	ostringstream strbuf;

and
line 19 is:

Code:

        ofstream outf;

they seem pretty straight forward lines to me.

any idea what this incomplete type thing is?
I've tried compiling on windows and linux but get the same error.

any help greatly appreciated

john

ouch - was hoping I wouldn't get one of those replies - thought I had done....
will stumble on.

jonh :-)

Ah, was just about to ask if I should be including anything other than:

Code:

#include <iostream>

#include <string>

will give it a try.

it got rid of the second error. So am guessing that something like <stringstream> should be included for the other one, or similar...
In fact <sstream> seemed to do it. Compiles fine now.

nice one

many thanks

john

ps is your "do your own homework" graphic an instruction to the 'posted to '
or is it just a graphic??

j

cheers

have worked in other languages before but not in c++, its gonna take a bit to get the layout right.

Appreciate the sentiment of the graphic though, tis easy to just to try get someone else to do it for ya.

onto the next bit now.

j