Friend function: Difference between revisions

Revision as of 13:11, 15 November 2013

Revision as of 01:12, 16 November 2013

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In [[object-oriented programming]], a '''friend function''' that is a "friend" of a given [[class (computer science)|class]] is allowed access to <code>private</code> and <code>protected</code> [[data]] in that class that it would not normally be able to as if the data was not <code>public</code>.

<ref>{{cite book|last=Holzner|first=Steven|title=C++ : Black Book|year=2001|publisher=Coriolis Group|___location=Scottsdale, Ariz.|isbn=1-57610-777-9|page=397|quote=When you declare a function a friend of a class, that function has access to the internal data members of that object (that is, its protected, and private data members.)}}

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