RE: [Dev-C++] linking .h file and .cpp file

[Manish S. <msh...@qu...>]

Is it a standard that all declarations shud go into .h and implementations
in .cpp (or just a convention). Though I see that most compiler doesn't
allow to compile .h and even if they do, they give a linking error for
main() (even if it is present in .h)

Manish
-----Original Message-----
From: dev...@li...
[mailto:dev...@li...] On Behalf Of Vlada
Djurovic
Sent: Friday, May 21, 2004 3:46 PM
To: casper; dev...@li...
Subject: Re: [Dev-C++] linking .h file and .cpp file


----- Original Message -----
From: "casper" <oz...@op...>
To: <dev...@li...>
Sent: Friday, May 21, 2004 11:15 AM
Subject: [Dev-C++] linking .h file and .cpp file


> Hi,
>
>            I have a file with .h extension which includes my main program.
I
> have put
>
> #include "logfuncion.cpp"
>
>            In the .h extension file. And inside the .cpp file I have put
the
> function definitions.
>
> Both files are in the same directory, but the .h file failed to compile
> because of the error
>
> Undefined "logfuncion.cpp"
>
>            How could I solve the problem?
>
>            Thanks in advance.
>
It should be the other way around. Your function declarations should go in
.h file, and their definitions in .cpp.
For example:
---myheader.h---
class Myclass{
    public void f();
    public int g(int x);
}
--end of myheader.h---
And in mymain.cpp you should do:

----mymain.cpp------
#include <myheader.h>
void Myclass::f(){
   //define function
}
int Myclass::g(int x){
   //define function
}
----end mymain.cpp----



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