Home/ Questions/Why I am getting ''this declaration has no storage class or type specifier'' error?
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flofarrell
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Asked: 2022-07-29T04:20:52+00:00 In:

Why I am getting ”this declaration has no storage class or type specifier” error?

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I’m receiving this error: This declaration has no storage class or type specifier. 

Here is my code:

#include <iostream>
#include <fstream>
#include <iomanip>
#include <string>
#include <cstdlib>
#include <vector>
#include <map>
using namespace std;
class Message
{
   public:
   void check(string side)
  {
      if(side!="B"&&side!="S")
      {
          cout<<"Side should be either Buy (B) or Sell (S)"<<endl;;
      }
  }


};

class Orderbook
{
    public:
      string side;
      Orderbook() //No Error if I define inside constructor
      Message m; //No Error while declaring
      m.check(side); //Error when I write m. or m->
};

These are two classes in my cpp. Aside from using an object after I create it, I have no issues. The code is too large to post. Why can’t I do everything in main but not in other Classes?

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1 Answer

  1. Best Answer
    Expert

    The cause: I think this line is a mistake:

    m.check(side);

    Calling m.check(side), it means that you are running actual code, but you can’t run code outside main() – you can only define variables. Code in C++ is only permitted in function bodies and variable initializes.

    Solution: That code has to go inside a function. Only declarations and functions are permitted in your class definition.

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