Re: [boost] Re: result_ofOp, operator should be a template parameter

From: Doug Gregor (dgregor_at_[hidden])
Date: 2004-07-05 17:46:31

On Jul 5, 2004, at 3:00 PM, David Abrahams wrote:

> Joel de Guzman <joel_at_[hidden]> writes:
>
>> Doug Gregor wrote:
>>
>>> On Jul 3, 2004, at 4:38 AM, Andy Little wrote:
>>>
>>>> An example that I think demonstrates the superiority of this:
>>>>
>>>>         binary_operation<A,Op,B>::result_type result;
>>>>
>>>> over this:
>>>>
>>>>     result_of_plus<A, B>::type result;
>>>>
>>>> in this directory:
>>> In Boost CVS there is an implementation of result_of, which would be
>>> used like this:
>>>     result_of<Op(A, B)>::type
>>
>> I think this is the best interface I've seen so far. The 
>> result_of_plus
>> is just a temporary solution while waiting for Doug's result_of work
>> which was not available at the time.
>
> ...which is just a temporary solution while we wait for decltype?

Absolutely. But it's a solution we can use to make C++98/C++0x portable 
libraries. At least, that's the idea
:)

        Doug