A:

1.      By using const protects you against programming errors which inadvertently alter data.

2.      By using const allows function to procedure const and non-const actual both arguments, whereas a function without const in the prototype can only accept non constant arguments.

3.      By using a const reference let the function to generate and employ a temporary variable appropriately.

 

 

Posted Date: 3/21/2013 7:27:44 AM | Location : United States

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