模板问题
template< typename T >struct StackNode{ //堆栈的节点 T data; struct StackNode * next;};struct Stackstack{ //堆栈 struct StackNode * base; struct StackNode * top;};
template< typename T >struct StackNode{ //堆栈的节点 T data; struct StackNode * next;};template< typename T >struct Stackstack{ //堆栈 struct StackNode<T> * base; struct StackNode<T> * top;};