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From: Zhihao Yuan <lichray@gmail.com>
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Subject: Re: optional<T>, one more value or two states
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On Thu, Jan 24, 2013 at 8:05 AM, Chris Jefferson
<chris@bubblescope.net> wrote:> True. But looking at the boost mailing
list and bug reports, there does not
> I have written quite a lot of code with boost::optional, it is very common
> to make an optional<T> from a T, in 'return' statements for example. Having
> to add an explicit cast to all of those would annoy me.

Jeffery proposed a convert() utility to solve a problem like this:

http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2013/n3521.html

--
Zhihao Yuan, ID lichray
The best way to predict the future is to invent it.
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