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c++functionheaderiostream
NewFile
NewFile

Reputation: 531

C++ Separate Function File

i'm trying to write my c++ program in different files, but I can't seem to get it to work. can someone help me?

separate.cpp

#include "separate.h"
#include <iostream>

void Separate() {

cout << "text";

}

separate.h

#include <string>
using namespace std;

class OneLine {

    Separate();

private:
    string vari;

};

main.cpp

#include "separate.cpp"
#include <iostream>

using namespace std;

int main () {

    Separate s;
    s();

return 0;
}

Upvotes: 1

Views: 5347

Answers (3)

Daniel Frey
Daniel Frey

Reputation: 56921

Two basic errors:

In separate.cpp, you need

void OneLine::Separate() { /*...*/ }

and in main.cpp you want to create an object of your type and call the defined method on it like this:

OneLine ol;
ol.Separate();

For this, you need to make the method public, change separate.h:

class OneLine {

public:
    Separate();

//...
};

You want to change a few more things as well which are not needed for this simple example but they will become necessary in the long run:

  • You want include guards, google for "include guard"
  • You don't want using namespace std; - get rid of it and add std:: where necessary

Upvotes: 3

Paddyd
Paddyd

Reputation: 1870

In your main file you need to reference "separate.h" rather than "separate.cpp"

In seperate.cpp the class method needs to be prefixed with the class name:

void Oneline::Separate()

Also you should be creating an object of type OneLine rather than of type Seperate.

So:

Oneline one;
one.Seperate();

Upvotes: 3

dornhege
dornhege

Reputation: 1500

In your implementation define the function as:

void OneLine::Separate() {
  ...

In your main, you need to instantiate a OneLine object and call Separate on that, i.e.: 

OneLine o;
o.Separate();

Upvotes: 3

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