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This article mainly introduces the relevant knowledge of "how to use C++ quotation". The editor shows you the operation process through an actual case. The operation method is simple, fast and practical. I hope this article "how to use C++ quotation" can help you solve the problem.

one。 The concept of citation

A reference is not a new definition of a variable, but an alias to an existing variable, and the compiler does not open up memory space for the reference variable, which shares the same memory space as the variable it references.

Type & reference variable name (object name) = reference entity

As follows:

Void TestRef () {int a = 10; int& ra = a tactic /

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