Why there is NO Copy or Assign for IO Objects?

Visame

Expand|Select|Wrap|Line Numbers

 ofstream out1, out2;

    out1 = out2;   // error: cannot assign stream objects

    // print function: parameter is copied

    ofstream print(ofstream);

    out2 = print(out2);  // error: cannot copy stream objects

Why there is NO Copy or Assign for IO Objects? Can anyone tell me the reason? Thanks!

RRick

Probably, because of what is inside the object.

BTW: This sounds suspiciously like an exam question.

Take a look at the state of an io object and you'll find flags for eof, fail, bad, etc. What would happen to the flags in one object if they changed in another copy of the object.

Why there is NO Copy or Assign for IO Objects?

re: Why there is NO Copy or Assign for IO Objects?

Similar C / C++ bytes

/bytes/development

/bytes/it

/bytes/about