vector::emplace_back - C++ Reference
看一看原地构造的效果
// vector::emplace #include#include using namespace std; class A{ public: A(int d):mD(d){cout<<"A::A():"< mD = other.mD; cout<<"A& A(const A& other):"<
vector::emplace_back - C++ Reference
看一看原地构造的效果
// vector::emplace #include#include using namespace std; class A{ public: A(int d):mD(d){cout<<"A::A():"< mD = other.mD; cout<<"A& A(const A& other):"<