这里是代码
#include <iostream>
#include <conio.h>
using namespace std;
template <typename T> class grid
{
public:
grid();
~grid();
void createCells();
private:
T **cells;
};
int main(int argc, char **argv)
{
grid<int> intGrid;
_getch();
return 0;
}
在尝试编译时 - 得到了一条消息:
1>main.obj : error LNK2019: unresolved external symbol "public: __thiscall
grid<int>::~grid<int>(void)" (??1?$grid@H@@QAE@XZ) referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol "public: __thiscall
grid<int>::grid<int>(void)" (??0?$grid@H@@QAE@XZ) referenced in function _main
需要做什么?
答案 0 :(得分:1)
您需要定义构造函数和析构函数(您刚刚声明它们):
template <typename T> class grid
{
public:
grid()
{} // here
~grid()
{} // and here
void createCells();
private:
T **cells;
};