book: fix indent (#236)

This commit is contained in:
Augus
2022-05-06 22:16:04 +08:00
committed by GitHub
parent b5f5940239
commit cfda52200a

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@@ -397,8 +397,8 @@ int main() {
int main() {
std::string str = "Hello world.";
std::vector<std::string> v;
std::string str = "Hello world.";
std::vector<std::string> v;
// 将使用 push_back(const T&), 即产生拷贝行为
v.push_back(str);