18 lines
246 B
C++
18 lines
246 B
C++
#include "functions.h"
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void changeInteger(int n)
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{
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n *= 2;
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}
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void changeIntegerPerPointer(int* pN)
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{
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if (pN == nullptr) return; // BE CAREFUL - a pointer can always be nullptr
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*pN *= 2;
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}
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void changeIntegerPerReference(int& n)
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{
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n *= 2;
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} |