#include <iostream>

using namespace std;

class Point
{
public:
 int x;
 int y;
};

class Rectangle
{
public:
 Point upLeft;
 Point lowRight;
public:
 void ShowRecInfo()
 {
  cout<<"좌 상단 : "<<'['<<upLeft.x<<", ";
  cout<<upLeft.y<<']'<<endl;
  cout<<"우 하단 : "<<'['<<lowRight.x<<", ";
  cout<<lowRight.y<<']'<<endl<<endl;
 }
};

void main()
{
 Point pos1 = {-2, 4};
 Point pos2 = {5, 9};
 Rectangle rec = {pos2, pos1};
 rec.ShowRecInfo();
}

요놈이 자꾸 오류가 뜨는데

D:\Microsoft Visual Studio\MyProjects\프린터프로그램\프린터프로그램.cpp(31) : error C2440: 'initializing' : cannot convert from 'class Point' to 'int'
        No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called
D:\Microsoft Visual Studio\MyProjects\프린터프로그램\프린터프로그램.cpp(31) : error C2440: 'initializing' : cannot convert from 'class Point' to 'int'
        No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called

이렇다네요........ 책에 쓰여진대로 코딩했는데...... 왜이런것일까요???? ㅋ