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Tip of the Day
Language: C++
Expertise: All
Feb 9, 1998

Prefer References Over Pointers

Even experienced C++ programmers who have prior experience with C tend to use pointers excessively whereas references may be a better choice. Pointers may result in bugs like the following:
 
bool isValid( const Date *pDate);

void f()
{
	Date *p = new Date(); //default: current date

	//...many lines of code

	delete p;		//p is now a 
Danny Kalev
 
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