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Date:      Mon, 14 Nov 2016 11:09:35 -0300
From:      =?UTF-8?B?T3RhY8OtbGlv?= <otacilio.neto@bsd.com.br>
To:        Pietro Cerutti <gahr@FreeBSD.org>
Cc:        freebsd-ports@freebsd.org, owner-freebsd-ports@freebsd.org
Subject:   Re: How compile "String inf = static_cast<ostringstream*>(&(ostringstream() << pAct.minArea))->str();"
Message-ID:  <d10217e1-8fe1-205c-b85b-0403b81c0d86@bsd.com.br>
In-Reply-To: <d6f25afe1529486ce23d1d0945e87464@FreeBSD.org>
References:  <ebbf89d2-f83a-b03a-95db-05c7d5358aa7@bsd.com.br> <d6f25afe1529486ce23d1d0945e87464@FreeBSD.org>

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Em 14/11/2016 06:29, Pietro Cerutti escreveu:
> On 2016-11-09 02:37, OtacĂ­lio wrote:
>> I'm trying create a patch to OpenCV 3.1 runs on FreeBSD but clang
>> don't compiles lines like this:
>>
>> String inf = static_cast<ostringstream*>(&(ostringstream() <<
>> pAct.minArea))->str();
>
> There's nothing wrong with this code, provided that:
>
> * <sstream> is included
> * ostringstream is actually std::ostringstream
> * pAct.minArea defines operator<< to std::ostringstream or one of its 
> base classes
>
> What's the error you're getting?
>
> That being said, I'd switch to using c++11 and String inf = 
> std::to_string(pAct.minArea) :)
>
I'm using your suggestion and it works fine. Thanks a lot!


[]'s

-Otacilio




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