RE: [Dev-C++] Header Files

[Ioannis V. <no...@ya...>]

In the case of a class there is no reason to have 2 files, since it can only
defined once (in one file, or manually many times in separate files but
using exactly the same definition-a habbit leading to troubles. Only
#includes of the definition is the right way). So my guess is that in the
implementation file he #includes the .h file (or the opposite).



Ioannis

* Ioannis Vranos
* Programming pages: http://members.nbci.com/noicys
* Alternative URL: http://run.to/noicys


> -----Original Message-----
> From: dev...@li...
> [mailto:dev...@li...]On Behalf Of
> Richard Southworth
> Sent: Monday, April 09, 2001 10:09 AM
> To: dev...@li...
> Subject: [Dev-C++] Header Files
>
>
> Hi.
>
> I'd be grateful if someone could write a few lines to
> help me understand header files.
>
> I know that #include is used to read source code from
> a file into the current file, and that MyClass.h holds
> the declaration of a class whereas MyClass.cpp holds
> the definition of the class. The MyClass.cpp file has
> a #include "MyClass.h" so that it reads in the class
> declaration.
>
> I'm a bit confused as to why, in any examples I see, a
> main.cpp file uses #include "MyClass.h": shouldn't the
> main.cpp file require both the class declaration and
> its definition?
>
> Many thanks.
>
> Richard
>
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