错误代码,在用std::distance(begin(), end());函数是出错,实在是搞不懂,请教!!!!!!!!!
```1>c:\users\taoyanqi\desktop\tictactoe-ai-master\datastruct\datastruct\mylist.h(122): error C2893: 未能使函数模板“iterator_traits<_Iter>::difference_type std::distance(_InIt,_InIt)”专用化
1> c:\users\taoyanqi\desktop\tictactoe-ai-master\datastruct\datastruct\mylist.h(122): note: 用下列模板参数:
1> c:\users\taoyanqi\desktop\tictactoe-ai-master\datastruct\datastruct\mylist.h(122): note: “_InIt=_list_iterator”
1> c:\users\taoyanqi\desktop\tictactoe-ai-master\datastruct\datastruct\mylist.h(120): note: 编译类 模板 成员函数“myList::size_type myList::size(void)”时
1> c:\users\taoyanqi\desktop\tictactoe-ai-master\datastruct\datastruct\mylist_demo.cpp(7): note: 参见对正在编译的函数 模板 实例化“myList::size_type myList::size(void)”的引用
1> c:\users\taoyanqi\desktop\tictactoe-ai-master\datastruct\datastruct\mylist_demo.cpp(5): note: 参见对正在编译的类 模板 实例化“myList”的引用