C++ code - 7 lines

Link:

C++, pasted on Feb 8:

int main() {
  istringstream ss ("12");
  int n;
  ss >> n;
  cout << "eof():  " << ss.eof() << '\n';
  cout << "fail(): " << ss.fail() << '\n';
}

Output:

1 2	eof(): true fail(): false