Unverified Commit a5c38165 authored by ZHB's avatar ZHB Committed by GitHub
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修改“可变参数模板的应用”中的代码

parent 6db31ece

docs/lang/new.md

+2 −2
Original line number Diff line number Diff line
@@ -437,9 +437,9 @@ inline void _debug(const char* format, First first, Rest... rest) { 
}



template <typename T>

ostream& operator<<(ostream& os, vector<T> V) {

ostream& operator<<(ostream& os, const vector<T>& V) {

  os << "[ ";

  for (auto vv : V) os << vv << ", ";

  for (const auto& vv : V) os << vv << ", ";

  os << "]";

  return os;

}