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viper110110

C helper functions in c++

7 posts in this topic

I am trying to write a helper function that will be used across several classes. In c#, I would create a static class, allowing me to access the function(s) from anywhere, usually across multiple unrelated classes. In c++, I know I can do the same thing, but I am wondering if it would be better to just create a pure c file and do the function there. I would put it in a separate file, but it would not be contained in a class. Would I create the file as a cpp and just not declare a class (but still use a header to avoid including the whole cpp file)?

The function in question is one to compile shaders, with different classes asking for different shaders, but my question applies in general.
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Is there a "right way"? Like if I were asked this at a job interview, what should I say?

I do enjoy the flexibility of c++, but I'm still getting used to all the power and technicality.

Edit: The right answer probably starts with "C++ is a very flexible language..." Edited by viper110110
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[quote name='Daaark' timestamp='1348377591' post='4982823']
You don't design a multi-paradigm language, and then say that any method that isn't the OOP one is the wrong way to go about something. :P
[/quote]

It's sad how much this exact mindset is pushed in school. After all the time I've spent trying to understand and use OOP, I've started to hate it. A part of me wants to join Torvalds and use pure C for everything.
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[quote name='viper110110' timestamp='1348376863' post='4982820']
Is there a "right way"? Like if I were asked this at a job interview, what should I say?
[/quote]
The right answer requires more context i would say.

If i have a bunch of related static functions that do not have any reason for a class then i do something like this (exceptions excepted):
[code]
namespace SomethingRelevant {

void something1(...);

void something2(...);

namespace detail {
// put relevant, but "private" / "internal" helper stuff here for 'something1' to use - in case there is any such code
};

}
[/code]
This is fairly common approach - not just my doing. One should always avoid/minimize namespace pollution (especially global namespace).
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