Jun 11, 2020 in C Plus Plus
Q:

When to use “const” reference arguments in a function?

1 Answer

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Jun 11, 2020
Using “const” reference arguments in a function is beneficial in several ways:

“const” protects from programming errors that could alter data.

As a result of using “const”, the function is able to process both const and non-const actual arguments, which is not possible when “const” is not used.

Using a const reference will allow the function to generate and use a temporary variable in an appropriate manner.

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