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c++: accessing a class static variable

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Started by gah_ribaldi January 02, 2008 05:32 PM

3 comments, last by NDIR 16 years, 3 months ago

gah_ribaldi

124

Author

January 02, 2008 05:32 PM

I have a static variable in a class which I use as a counter - it's initialised to zero and incremented in the constructor. I need to check its value in main(), to see if any members of the class exist, but since it's private, I have getters and setters... but they're only accessible through objects of the class... right? Is the only solution to make the variable public?

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11,840

January 02, 2008 05:34 PM

Functions can be static, too.

gah_ribaldi

124

Author

January 02, 2008 05:46 PM

so I'd have:

static int get_counter() { return counter; }

?

how would I call that from the program?

11,840

January 02, 2008 05:48 PM

The same way you'd access any static from outside the class. You prepend MyClass:: to the name to indicate that you want the name from the class. Ex:

MyClass::get_counter();

NDIR

189

January 02, 2008 05:48 PM

use CMyClass::get_counter();

oh, too late :)

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