[C++知识库]C++模板 error C2667: ‘swap‘ : none of 2 overload have a best conversion

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在上面的评论区中找到了答案如下：

?这里你用using namespace std;它里面也有个相同名字的模板，这里就导致编译器不知道去找谁，3个解决办法
1.换个名字
2.给你的swap套个命名空间
3，不要用using namespace std;改成std::cout,std::endl;