Re: [boost] Re: in/out parameters, codingstylesandmaintenance

From: Gregory Colvin (gregory.colvin_at_[hidden])
Date: 2003-05-04 09:14:29

I don't see the point of providing this

    void SetArea(c_out<CShape> s)
    {
            CShape &ls = s.get_ref();
            ls.SetArea(100);
    }

and then writing this

    SetArea(out(psq));

instead of just writing this in the first place

    psq->SetArea(100);

On Sunday, May 4, 2003, at 04:44 America/Denver, Justin M. Lewis wrote:

> This is what I came up with real quick.
>
> http://groups.yahoo.com/group/boost/files/in_out/test1/
>
>
> ----- Original Message -----
> From: "Gregory Colvin" <gregory.colvin_at_[hidden]>
> To: "Boost mailing list" <boost_at_[hidden]>
> Sent: Saturday, May 03, 2003 9:37 PM
> Subject: Re: [boost] Re: in/out parameters, codingstylesandmaintenance
>
>
>> Code, please.
>>
>> On Saturday, May 3, 2003, at 22:18 America/Denver, Justin M. Lewis
>> wrote:
>>
>>> Or, how about polymorphic types, where you can't simply create the
>>> object
>>> internally in the function, where you HAVE to deal with what's passed
>>> in in
>>> one way or another.
>>>
>>>
>>> ----- Original Message -----
>>> From: "Gregory Colvin" <gregory.colvin_at_[hidden]>
>>> To: "Boost mailing list" <boost_at_[hidden]>
>>> Sent: Saturday, May 03, 2003 9:15 PM
>>> Subject: Re: [boost] Re: in/out parameters, 
>>> codingstylesandmaintenance
>>>
>>>
>>>>
>>>> On Saturday, May 3, 2003, at 22:03 America/Denver, Noel Yap wrote:
>>>>
>>>>> Gregory Colvin wrote:
>>>>>> Anyway, I jumped into this thread mainly to opine that Noel's
>>>>>> suggestions
>>>>>> were not, so far as I could see, any better than your proposal, 
>>>>>> not
>>>>>> to
>>>>>> rehash what we have already discussed.
>>>>>
>>>>> I think that if ref<> were used instead of dumb_ptr<> in my 
>>>>> previous
>>>>> posts, it's a little better since, IIRC, ref<> already exists.
>>>>
>>>> A little.  But so far Justin's examples don't require it.
>>>>
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