C++ 创建带有节点C++;

C++ 创建带有节点C++;,c++,struct,linked-list,header-files,nodes,C++,Struct,Linked List,Header Files,Nodes,我正在使用3个文件: hw10.h #ifndef Structures_hw10 #define Structures_hw10 #include <iostream> struct Node{ int value; Node* next; }; struct LinkedList{ Node* head = NULL; }; void append(int); #endif main.cpp #include "hw10.h" void LinkedLi

我正在使用3个文件:

hw10.h

#ifndef Structures_hw10
#define Structures_hw10

#include <iostream>

struct Node{
  int value;
  Node* next;
};

struct LinkedList{
  Node* head = NULL;
};

void append(int);

#endif
main.cpp

#include "hw10.h"

void LinkedList::append(int data){
  Node* cur = head;
  Node* tmp = new Node;
  tmp->value = data;
  tmp->next = NULL;
  if(cur->next == NULL) {
    head  = tmp;
  }
  else {
    while(cur->next != NULL){
      cur = cur->next;
    }
    cur->next = tmp;
  }

  // delete cur;
}
#include "hw10.h"

int main(){
  LinkedList LL;
  LL.append(5);
  LL.append(6);
  Node* cur = LL.head;
  while(cur->next != NULL){
    std::cout<<cur->value<<std::endl;
    cur = cur->next;
  }
  return 0;
}
这是我收到的答复:

 In file included from main.cpp:2:0:
hw10.h:13:16: warning: non-static data member initializers only available with -std=c++11 or -std=gnu++11 [enabled by default]
In file included from hw10.cpp:1:0:
hw10.h:13:16: warning: non-static data member initializers only available with -std=c++11 or -std=gnu++11 [enabled by default]
hw10.cpp: In function 'void append(int)':
hw10.cpp:10:15: error: 'head' was not declared in this scope

我的主要功能是创建一个新的链表,附加两个新节点,并打印出它们的值(以确保它正常工作)

在您的结构声明中,您必须像这样在结构中添加append

struct LinkedList{
  Node* head = NULL;
  void append(int);
};

尝试添加“-std=c++11”以消除警告。

我相信c++11添加了初始化结构中成员的功能。错误指出在hw10.cpp的第10行使用head,但head在第9行而不是第10行,看起来还可以。这看起来不像是编译的源代码,是吗?@koodawg这是我写的源代码。我编译了你的代码,得到了一个完全不同的错误,请看下面我的答案。
struct LinkedList{
  Node* head = NULL;
  void append(int);
};