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From: "Billy O'Neal" <billy.oneal@gmail.com>
Newsgroups: gmane.comp.lang.c++.isocpp.proposals
Subject: Re: Re: std::sink<T> to efficiently pass `sink` arguments
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How is 3 different than 4? They both result in a value copy in all cases.

Billy O'Neal
https://github.com/BillyONeal/ <https://bitbucket.org/BillyONeal/>
http://stackoverflow.com/users/82320/billy-oneal
Malware Response Instructor - BleepingComputer.com


On Sat, Sep 14, 2013 at 9:43 PM, Sumant Tambe <sutambe@gmail.com> wrote:

> I mean to say there are 3 options and in<T> might be the 4th.
> 1. Using universal refs (forces template)
> 2. Using rvalue refs and const lvalue refs conbination (causes exponential
> number of function versions)
> 3. Pass by value (good only with sink args)
> 4. Pass as std::in<T>
>
> --
>
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<div dir=3D"ltr">How is 3 different than 4? They both result in a value cop=
y in all cases.</div><div class=3D"gmail_extra"><br clear=3D"all"><div><div=
 dir=3D"ltr"><div>Billy O&#39;Neal</div><div><a href=3D"https://bitbucket.o=
rg/BillyONeal/" target=3D"_blank">https://github.com/BillyONeal/</a></div>

<div><a href=3D"http://stackoverflow.com/users/82320/billy-oneal" target=3D=
"_blank">http://stackoverflow.com/users/82320/billy-oneal</a></div><div>Mal=
ware Response Instructor - BleepingComputer.com</div></div></div>
<br><br><div class=3D"gmail_quote">On Sat, Sep 14, 2013 at 9:43 PM, Sumant =
Tambe <span dir=3D"ltr">&lt;<a href=3D"mailto:sutambe@gmail.com" target=3D"=
_blank">sutambe@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gma=
il_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-lef=
t:1ex">

I mean to say there are 3 options and in&lt;T&gt; might be the 4th.<br>
1. Using universal refs (forces template)<br>
2. Using rvalue refs and const lvalue refs conbination (causes exponential =
number of function versions)<br>
3. Pass by value (good only with sink args)<br>
4. Pass as std::in&lt;T&gt;<br>
<div class=3D"HOEnZb"><div class=3D"h5"><br>
--<br>
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</div></div></blockquote></div><br></div>

<p></p>

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