Re: [Boost-users] [proto] need explanation in implementing distributive law

Subject: Re: [Boost-users] [proto] need explanation in implementing distributive law
From: Eric Niebler (eric_at_[hidden])
Date: 2010-03-23 00:38:32

On 3/23/2010 9:30 AM, Kim Kuen Tang wrote:
> Andrew Durward schrieb:
>> As a follow-up, the attached code seems to compile and yield the expected
>> result.
>
> it compiles on my side. Thx for ur improvement.

Nice to see proto users helping each other! One comment:

> #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1500))
> #define _left call<proto::_left>
> #define _right call<proto::_right>

I can't imagine the above two have any effect at all.

> #define _make_plus(x,y) call<proto::_make_plus(x,y)>
> #define _make_multiplies(x,y) call<proto::_make_multiplies(x,y)>

Yes, these two make sense because msvc has such a hard time with nested 
function types. Let's hope they get their act together.

-- 
Eric Niebler
BoostPro Computing
http://www.boostpro.com