Computing with Data
References
int a = 2;
int c = 3;
int &refA = a; // refA is a reference to the variable a
int b = refA; // has same effect as b = a
refA = 5; // has same effect as a = 5
int &refC1 = c;
int &refC2 = c; // both refC1 and refC2 refer to c
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