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From: Matthias Schabel (boost_at_[hidden])
Date: 2007-02-16 17:57:19

> One problem I see with this is: how does the tracked_var know when to
> record the current value if it does not change? Do I need to do
> v += 0.
> if I want to enforce a sample even when the value does not change?

How about :

v = v;



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