On May 30, 2011, at 4:19 PM, Geoffrey Garen wrote:

> Updated:
> 
> Const member functions:
> 
> Do use const member functions in classes that are independent data holders, 
> to help distinguish between references that can modify the data and 
> references that can't.
> 
> Do not use const member functions in classes that participate in object 
> graphs, since the distinction is weak. Do not use const member functions for 
> DOM or render tree nodes.

Even in a class that is used in a tree, I still think simple member variable 
accessor methods (that do not return tree neighbors)  should be const.

Simon


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