external classes

can i do external class definitions with the extern keyword? i don't want to have a seperate copy of the class definitions... [or seperate them from the class function declarations and include them parallel per each obj code / cpp]...

something like...

Code:

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extern class MY_CLASS;
extern MY_CLASS class_instance;

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also, if MY_CLASS is nested with many subclasses, do i have to extern those as well [provided that i _could_] correct? thanks quite so...

Why not? I'm pretty sure you can. :)

Code:

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q.cpp:16: `extern' can only be specified for objects and functions

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error... so no? DJGPP is my compiler... and if there isn't a standard for this, i'll be damned... any alternative that does require seperation or duplication of the class declaration inclusion?

please continue it here...

external user defined types