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From: Matthias Troyer (troyer_at_[hidden])
Date: 2003-04-14 14:16:31

On Monday, April 14, 2003, at 08:22 PM, Thorsten Ottosen wrote:

> Hi All,
> I guess the headline says it all. Wouldn't it be better
> with some mutable data?

I see it this way: the semantics of operator() is to actually change
the state of the generator, and thus it should not be const.

  I use mutable only when I need to change some internal private
variables that do not have any influence on the appearance of the
object to the user, i.e. if the semantics are that the function call
does not change the state.


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