c++ 类初始化列表，构造函数，复制构造函数

//// Created by darren on 17-9-30.//#ifndef TEST_1_CLASS_TEST_H#define TEST_1_CLASS_TEST_H#include <iostream>#include <string.h>#include <stdlib.h>#include <assert.h>#include <errno.h>#include <stdio.h>using namespace std;class Human{public:    Human(char *name, char* &gender, int lWeight);    Human(Human &am);    int eat();    int run();    void setAttribute(int age, int heighe);    //attribute    inline void printf(){        cout<<"height"<<height<<endl;        cout<<"age:"<<age<<endl;        cout<<"weight:"<<weight<<endl;        cout<<"gender:"<<gender<<endl;        cout<<"myName:"<<myName<<endl;    }    ~Human();private:    int height;    int age;    char* myName;    char* &gender;    const int weight;public:    static int iNumber;        //在类外对static类型的数据成员进行初始化};#endif //TEST_1_CLASS_TEST_H
//// Created by darren on 17-9-30.//#include "1_class_test.h"using namespace std;int Human::iNumber =0;int Human::eat() {    cout << "we eat the food" << endl;    return 0;}int  Human::run() {    cout << "we running" << endl;}void Human::setAttribute(int sAge, int sHeighe) {    age = sAge;    height = sHeighe;}Human::Human(char *name, char *&lGender, int lWeight = 0) : gender(lGender), weight(lWeight) {    iNumber++;    cout << "name:" << name << "lGender:" << lGender << "lWeight:" << lWeight << endl;    cout << "new 构造函数被调用..." << endl;    myName = new char[strlen(name) + 1];    if (!myName) {        perror("myNmae new failed");        assert(0);    }    age = 18;    height = 172;    memcpy(myName, name, strlen(name));    cout << "myName:" << myName << "gender:" << gender << "weight:" << weight << endl;}Human::Human(Human &am):gender(am.gender),weight(am.weight) {    iNumber++;    cout << "复制构造函数被调用" << endl;    myName = new char[strlen(am.myName) + 1];    if (!myName) {        perror("myNmae new failed");        assert(0);    }    memcpy(myName, am.myName, strlen(am.myName));    cout << "my:" << myName << endl;    age = am.age;    height = am.height;}Human::~Human(){    if (myName) {        cout << "delete 析构函数被调用...%p" << myName << endl;        delete myName;    }}int main() {    char gg[5] = "nan";    char *gg1 = gg;    Human man("tianxuhong", gg1, 110);    Human human1 = man;    man.printf();    man.~Human();    human1.printf();    cout<<"object count:"<<Human::iNumber<<endl;    return 0;}