c++ 结构体demo

struct.cpp
#include <iostream>
using namespace std;
struct inflatable
{
    string name;
    int age;
    float weight;
};
struct new_struct
{
    string name;
    int age;
    string addr;
} meowrain = {
    "meowrain",
    18,
    "China"},
  linus = {"linux", 40, "America"};

struct {
    int x;
    int y;
    int sum(int x,int y) {
        return x+y;
    }
}sum;
int main(void)
{
    inflatable duck;
    duck.name = "mike";
    duck.age = 5;
    duck.weight = 1.5;
    inflatable chicken = {
        "john",
        6,
        1.3};
    inflatable dog{"mi", 3, 4};
    inflatable cat;
    cat = dog;
    cout << chicken.age << endl;
    cout << dog.name << endl;
    cout << cat.name << endl;
    cout << meowrain.addr << endl;
    cout << linus.addr << endl;
    sum.x = 10;
    sum.y = 10;
    int m = sum.sum(sum.x,sum.y);
    cout << m << endl;
    
}

StructArray.cpp
#include <iostream>
using namespace std;
struct inflatable
{
    string name;
    int age;
    float weight;
};
struct new_struct
{
    string name;
    int age;
    string addr;
} meowrain = {
    "meowrain",
    18,
    "China"},
  linus = {"linux", 40, "America"};

struct {
    int x;
    int y;
    int sum(int x,int y) {
        return x+y;
    }
}sum;
int main(void)
{
    inflatable duck;
    duck.name = "mike";
    duck.age = 5;
    duck.weight = 1.5;
    inflatable chicken = {
        "john",
        6,
        1.3};
    inflatable dog{"mi", 3, 4};
    inflatable cat;
    cat = dog;
    cout << chicken.age << endl;
    cout << dog.name << endl;
    cout << cat.name << endl;
    cout << meowrain.addr << endl;
    cout << linus.addr << endl;
    sum.x = 10;
    sum.y = 10;
    int m = sum.sum(sum.x,sum.y);
    cout << m << endl;
    
}