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C++ Error: C4430 and C2143 Error at an impossible place


C++ Error: C4430 and C2143 Error at an impossible place

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C++ Error: C4430 and C2143 Error at an impossible place
Tag : cpp , By : Brian Drum
Date : November 23 2020, 01:01 AM

I hope this helps . I tried to search the answer to this error on the internet, but the problem always seems to be that someone forgot to add the return specifier int to the main function. It's weird, because the error is thrown on a line where nothing can possibly be wrong: , You forgot to place
#include <map>

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error C4430: missing type specifier / error C2143: syntax error : missing ';' before '*'


Tag : cpp , By : TheDave1022
Date : March 29 2020, 07:55 AM
will be helpful for those in need I am getting both errors on the same line. Bridge *first in the Lan class. What am i missing? , Declare Bridge before Lan
#include <stdio.h>
#include <stdlib.h>
#include <iostream>

using namespace std;

class Bridge;

class Lan{
    Bridge *first;
    Bridge *second;
    Host hostList[10];
    int id;
};

class Bridge{
    Lan lanList[5];
};

error C4430, C2143, and C2244 for a function in my template class


Tag : cpp , By : Kristian Hofslaeter
Date : March 29 2020, 07:55 AM
it fixes the issue I'm trying to make a function that takes a templated type and adds it to the end of the list/array and I'm running into an error that I can't seem to find a way around. I'm new to templates so I'm not sure if it's a problem with how I'm using templates or something else.
template <class T>
 void MyArray<T>::Add(const elemType & elem)  // error C4430 and C2143
 {
   //...
 } 
template <class T>
void MyArray<T>::Add(const T & elem)  //fixed!
{
  //...
}

error c2143 & c4430 when declaring object that is derived from base class with virtual functions


Tag : cpp , By : todor
Date : March 29 2020, 07:55 AM
hope this fix your issue It seems the compiler doesn't know what MenuButton is. One reason this may be the case is that MENUBUTTON_H is also defined by another header. More likely, something like Globals.h also included "title.h", i.e., you have a dependency loop in your system. If you know about classes being cyclically dependent, you are best off removing the cycles. There are many ways to do that. Even if you currently think you need the cyclic dependency, it is not good and probably not required (the book "Large Scale C++ Design" by John Lakos contains a lot of information on how to break dependency cycles).
If you don't know where the cycle is coming from, I recommend using the -E (or /E) flag with your compiler: This option normally yields the translation unit after it got preprocessed. It will contain indications on which file was entered in some form. How the preprocessed output looks like depends on the compiler but you'll be able to see what the compiler gets to see and you can probably track down why MenuButton isn't declared.
class MenuButton;

error C4430: AND error C2143: syntax error : missing ';' before '*'


Tag : cpp , By : Der Ketzer
Date : March 29 2020, 07:55 AM
I hope this helps you . I am having these two errors. , Your header file RCourseList.h, has an error in its include guard
#ifndef COURSELIST_H
#define RCOURSELIST_H
#ifndef RCOURSELIST_H
#define RCOURSELIST_H
#ifndef COURSELIST_H
#define COURSELIST_H
#pragma once

#include "RCourse.h"

class RCourseList

{
public:
    RCourseList();

private:
    RCourse* rhead;
};

c++ compile error C4430, C2653, C2146, C2143


Tag : cpp , By : Nulq
Date : March 29 2020, 07:55 AM
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