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Dec 19, 2018
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Update 03-runtime.md #49

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Update 03-runtime.md
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@ehds
ehds authored Dec 19, 2018
commit e965e010e2750f3d2c1b0c44e759173a7bf1beba
2 changes: 1 addition & 1 deletion book/zh-cn/03-runtime.md
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Expand Up @@ -236,7 +236,7 @@ void reference(std::string&& str) {
int main()
{
std::string lv1 = "string,"; // lv1 是一个左值
// std::string&& r1 = s1; // 非法, 右值引用不能引用左值
// std::string&& r1 = lv1; // 非法, 右值引用不能引用左值
std::string&& rv1 = std::move(lv1); // 合法, std::move可以将左值转移为右值
std::cout << rv1 << std::endl; // string,

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