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(#M40030289) C++ question C++ Keep an EYE

What do you mean by reference variable in c++?

Asked In C++ MAN (11 years ago)

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Mani kandan  (10 years ago)

A variable provides an alias(alternative name) for previously defined variable.
Declaring a variable as a reference rather than a normal variable simply appending an ampersand to the type name, such as this "reference to an int"
int& foo = ....;

for example
int x;
int& foo = x;

// foo is now a reference to x so this sets x to 56
foo = 56;
std::cout

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