/**************************************************************************************
************************* 2.参数初始化列表 *************************
***************************************************************************************/
class InitTest
{
public:
const char* name;
int m_iage;
int m_type;
InitTest(int In_iage,int In_itype,const char* In_str):name(In_str),m_iage(In_iage),m_type(In_itype)
{
}
InitTest(int In_iage, int In_itype) :name(nullptr), m_iage(In_iage), m_type(In_itype)
{
cout << "int In_iage, int In_itype" << endl<< endl;
}
InitTest(std::initializer_list<int> vals) :name(nullptr), m_iage(*vals.begin()), m_type(*(vals.begin()+1))
{
cout << "(std::initializer_list<int> vals)" << endl;
}
void printTest(std::initializer_list<int> vals)//必须指明类型
{
}
};
SHOW_SMALL_FUNCTION_BLOCK_TIPS("初始化列表")
{
//第一种初始化列表
BaseFeatures_NameSpace::InitTest test{1,2,"hello"};
//第二种初始化列表
test.printTest({1,2,3,4,5,6,7});
//倘若同时in存在构造函数参数列表是std::initializer_list
BaseFeatures_NameSpace::InitTest test1(1, 2);
BaseFeatures_NameSpace::InitTest test2({1,2});
BaseFeatures_NameSpace::InitTest test3={ 1,2 };
}