From: David Abrahams (dave_at_[hidden])
Date: 2003-02-19 10:05:36
"Peter Dimov" <pdimov_at_[hidden]> writes:
> You said "optional<T>" above.
"Do what I mean, not what I say" ;-)
> It may be possible to use optional<T&> (is it supported?) or optional<
> reference_wrapper<T> > but this looks like an "obfuscated C++" entry to me
> compared to T*.
> What's wrong with it? What does optional<T&> add?
Suppose you have a
variant<mpl::list<int&, std::string&> >
How do you check to see if it contains an int&?
-- Dave Abrahams Boost Consulting www.boost-consulting.com
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