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Subject: Re: [boost] [phoenix] request for a mini-review. (Re: Phoenix as a Boost library)
From: Dave Abrahams (dave_at_[hidden])
Date: 2010-10-16 23:32:29
On Oct 16, 2010, at 8:37 PM, Eric Niebler <eric_at_[hidden]> wrote:
> n 10/16/2010 4:41 PM, Mathias Gaunard wrote:
>> I thought V2 doesn't follow the result_of protocol,
>
> True.
>
>> and didn't do
>> perfect forwarding either.
>
> I don't think v3 will do perfect forwarding either. At least not with
> C++03. It's just too expensive at compile time.
You could approximate it for up to 3-5 arguments. But you can't actually do it perfectly in C++03 even for 1 argument because you will erase rvalue-ness no matter what.
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