Cpp Coding Standards/ENC/NoFriends
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< Cpp Coding Standards | ENC
Revision as of 17:09, 14 December 2009 by B michaelsen (Talk | contribs)
The state of a class must only be changed by member functions. Else the interrelations become unmanageable.
Exceptions: Some functions, especially stream operators or arithmetic operators may need to be defined as non-member functions for technical reasons, though they are indeed part of the class's interface. Those operators need to be friends then.
