需要所有声明的类型说明符

需要所有声明的类型说明符

本文介绍了错误“C ++需要所有声明的类型说明符,同时定义方法”的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我对C ++比较陌生(所以尝试并保持答案简单请!),我不明白为什么我得到错误: C ++需要一个类型说明符对于所有的声明,同时定义方法。

I'm relatively new to C++ (so try and keep answers simple please!), and I can't understand why I get the error: C++ requires a type specifier for all declarations whilst defining methods.

我想写一个简单的程序读取文本文件逐行,将值存储到数组中。然而,我遇到一个问题,当试图声明我的.cpp文件中的方法。请在下面找到代码。

I am trying to write a simple program to read a text file line by line, store the values into an array. However I am encountering an issue when trying to declare methods in my .cpp file. Please find code below.

StringList.h

StringList.h

#ifndef StringListH
#define StringListH

#include <vector>
#include <string>

class StringList {
public:
     StringList();
     ~StringList();
     void PrintWords();
private:
     size_t numberOfLines;
     std::vector<std::string> str;
};

#endif

StringList.cpp

#include "StringList.h"
#include <fstream>
#include <istream>
#include <algorithm> // std::copy
#include <iterator>  // istream_iterator

using namespace std;

StringList::StringList()
{
    ifstream myfile("input.in");
    if (myfile.is_open())
    {
        copy(
            istream_iterator<string>(myfile),
            istream_iterator<string>(),
            back_inserter(str));
    }
    numberOfLines = str.size();
}

StringList::~StringList(){
    //Deconstructor
}

// Error Happens Here
StringList::PrintWords(){
    //Print My array
}

我已经google了无法使用,我不太明白如何读取适当的文档的C + +,所以我有点卡住。我写了大约3或4(简单)面向对象的程序,迄今为止,我从来没有这个问题。如果它帮助我使用Xcode,但我得到相同的错误在eclipse。

I have googled to no avail, I don't quite understand how to read the proper documentation for C++ yet, so I'm a little stuck. I have written around 3 or 4 (simple) object orientated programs so far and I've never had this issue. If it helps I'm using Xcode, but I get the same error in eclipse.

它出现任何方法,无论返回类型,名称,参数定义在我的头文件给这个错误 - 但是构造函数是好的。如果PrintWords()是删除项目构建只是很好。

It appears any method, regardless of return type, name, parameters defined in my head file give this error - however the constructor is fine. If PrintWords() is remove the project builds just fine.

任何指针都将非常感谢!

Any pointers will be very much appreciated!

推荐答案

它作为 void ,但是你忘了把它放在定义中。应为:

you declared it as void but you forgot to put it in the definition. should be:

void StringList :: PrintWords()

这篇关于错误“C ++需要所有声明的类型说明符,同时定义方法”的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!

08-22 12:29