Boost Users :
Subject: Re: [Boost-users] [optional]
From: Roman Perepelitsa (roman.perepelitsa_at_[hidden])
Date: 2009-05-06 06:26:59
2009/5/6 Roman Perepelitsa <roman.perepelitsa_at_[hidden]>
> It's less efficient, because all arguments will be copied. It's also more
> typing, longer compilation times and more code generated.
There is one more caveat. This approach does not work with polymorphic types
(you'll get slicing). I don't think there are any advantages in passing
boost::optional<T> compared to const T*.
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