From: Rozental, Gennadiy (gennadiy.rozental_at_[hidden])
Date: 2003-03-25 16:12:09
> Therefore to justify
> boost::optional as a key in an associative container, as
> opposed to its
> direct type, I believe one has to justify a situation where
> the "non-actual"
> value is really being used as a key.
Let say I have mapping of state to action. Now I want to support the case
where current state is undefined. So I am using optional<state> as a key.
Does this example fit for the situation?
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