请问这错误是什么情况
error C2679: binary '>>' : no operator defined which takes a right-hand operand of type 'class ostream &(__cdecl *)(class ostream &)' (or there is no acceptable conversion)
2012-03-27 18:20
2012-03-28 08:12
2012-03-30 09:24
2012-03-30 15:48
2012-04-01 22:27
2012-04-07 06:47
2012-04-09 22:43