Re: [Boost-users] [Proto] typeof in Hello World example

Subject: Re: [Boost-users] [Proto] typeof in Hello World example
From: Hossein Haeri (powerprogman_at_[hidden])
Date: 2010-11-15 11:33:23

Dear Eric,

> No, it belongs there for portability, but it is not needed on all
> compilers. Some older compilers don't have a decltype, typeof or
> __typeof__ operator. On those compilers, types need to be registered
> with the Boost.Typeof library, which provides emulation.

So, which part of the code will need this, could you explain? And, I would also suggest that you add the same explanation -- perhaps in the form of a footnote -- to the user guide.

TIA,
--Hossein