C ++缺少类型说明符和未知的覆盖说明符 [英] C++ missing type specifier and unknown override specifier

问题描述

我已经创建了3个类

地图类

I have 3 classes that have been created
Map class

#ifndef MAP_H
#define MAP_H

#include "position.h"
#include "Entity.h"
#include <iostream>
#include <windows.h>
#include <ctime>
#include <iostream>

class Map
{
private:
	char mapSize[21][21];
public:
	Map();
	~Map();
};
#endif

实体类

Entity class

#ifndef ENTITY_H
#define ENTITY_H

#include "Map.h"

class Entity
{
	position pos;
public:
	Entity();
	~Entity();
};
#endif

职位等级

position class

#ifndef POSITION_H
#define POSITION_H

#include "Map.h"

class position
{
public:
	int x;
	int y;
	position();
	~position();
};

#endif

似乎错误的来源是来自entity.h，特别是行

It seems that the source of the error is from entity.h, specifically the line

position pos;

这些类在一起编译时给了我两个错误

1）C4430 - 缺少类型说明符 - 假设为int。注意：C ++不支持default-int

2）C3646 - 'pos'：未知的覆盖说明符



我想知道是什么导致这个问题，因为我似乎无法弄清楚它是什么问题



我尝试了什么：



最初，在entity.h中我也包含了position.h，但我删除了它认为map.h导致了循环。显然不是。



FYI：

These classes, when compiled together, gives me two errors
1) C4430 - missing type specifier - int assumed. Note: C++ does not support default-int
2) C3646 - 'pos': unknown override specifier

I would like to know what is causing the issue, as I can't seem to figure out what the issue it

What I have tried:

Originally, in entity.h I had included position.h as well, but i removed it thinking that map.h was causing the loop. Apparently not.

FYI:

position pos;

之前是公开定义的，但它仍然无效

was defined in public before, but it still did not work

推荐答案

没有直接给你答案 - 想想每个类/头文件需要什么知道，所以课堂上的任何事情都需要了解班级地图。如果没有，那么不要包括map.h.在所有3个类定义上尝试这种推理。

Without giving you the answer directly - think about what each class / header file needs to "know about", so does anything in class position need to know about class map. If not then don't include map.h. Try this reasoning on all 3 class definitions.

在实体头文件中，您必须包含位置头以声明实体类成员的位置类。

In entity header file you must include the position header to declare the position class for the entity class member.

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