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Editorial Team
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Asked: 2026-05-27T11:24:05+00:00

main.cpp int main() { return 0; } cell.h #pragma once class _cell {}; cell.cpp

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main.cpp

int main()
{
return 0;
}

cell.h

#pragma once

class _cell {};

cell.cpp

#include "cell.h"

experiment.h

#pragma once

class _experiment
{
_cell cell;
};

experiment.cpp

#include "experiment.h"
#include "cell.h"

Error:

experiment.h(5): error C2146: syntax error : missing ';' before identifier 'cell'
experiment.h(5): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
experiment.h(5): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int

This has been driving me nuts. Any help? Thanks!

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1 Answer

  1. Editorial Team

    You have to #include <cell.h> from experiment.h as otherwise _cell is not defined when used in experiment.h.

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