220 7687 <10903c35-8fad-43a0-87e3-6cf2455f1cf1@isocpp.org> article
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From: euloanty@live.com
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Subject: Re: Could we remove the size() method in the std::list<T>?
Date: Mon, 11 Nov 2013 02:41:35 -0800 (PST)
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> listsize+=std::difference(list2.begin()+3,list2.end());
>
> list.splice(list2.begin()+3,list2.end()); // this operation is O(1), it is 
> very fast.
>
>  
>

I am sorry that that is wrong.
 
This is right.......:

listsize+=std::difference(it,list2.end());

list.splice(it,list2.end()); // this operation is O(1), it is very fast.

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<div dir=3D"ltr"><br><br><blockquote class=3D"gmail_quote" style=3D"margin:=
 0px 0px 0px 0.8ex; padding-left: 1ex; border-left-color: rgb(204, 204, 204=
); border-left-width: 1px; border-left-style: solid;"><div dir=3D"ltr"><p a=
lign=3D"left" class=3D"MsoNormal" style=3D"line-height: 13.5pt; text-indent=
: 4.75pt;"><br></p><p align=3D"left" class=3D"MsoNormal" style=3D"line-heig=
ht: 13.5pt; margin-left: 5.25pt;"><span lang=3D"EN-US" style=3D"padding: 0c=
m; border: 1pt windowtext; border-image: none; font-family: Arial,sans-seri=
f; font-size: 9.5pt;">listsize+=3Dstd::difference(<wbr>list2.begin()+3,list=
2.end());</span><span lang=3D"EN-US" style=3D"font-family: Arial,sans-serif=
; font-size: 9.5pt;"></span></p><p align=3D"left" class=3D"MsoNormal" style=
=3D"line-height: 13.5pt; text-indent: 4.75pt;"><span lang=3D"EN-US" style=
=3D"padding: 0cm; border: 1pt windowtext; border-image: none; font-family: =
Arial,sans-serif; font-size: 9.5pt;">list.splice(list2.begin()+3,<wbr>list2=
..end());
// this operation is O(1), it is very fast.</span><span lang=3D"EN-US" styl=
e=3D"font-family: Arial,sans-serif; font-size: 9.5pt;"></span></p><p align=
=3D"left" class=3D"MsoNormal" style=3D"line-height: 13.5pt; margin-left: 5.=
25pt;"><span lang=3D"EN-US" style=3D"padding: 0cm; border: 1pt windowtext; =
border-image: none; font-family: Arial,sans-serif; font-size: 9.5pt;">&nbsp=
;</span></p></div></blockquote><div><br></div><div>I&nbsp;am sorry that tha=
t is wrong.</div><div>&nbsp;</div><div>This is right.......:</div><p align=
=3D"left" class=3D"MsoNormal" style=3D"line-height: 13.5pt; margin-left: 5.=
25pt;"><span lang=3D"EN-US" style=3D"padding: 0cm; border: 1pt windowtext; =
border-image: none; font-family: Arial,sans-serif; font-size: 9.5pt;">lists=
ize+=3Dstd::difference(it,list2.end());</span><span lang=3D"EN-US" style=3D=
"font-family: Arial,sans-serif; font-size: 9.5pt;"></span></p><p align=3D"l=
eft" class=3D"MsoNormal" style=3D"line-height: 13.5pt; text-indent: 4.75pt;=
"><span lang=3D"EN-US" style=3D"padding: 0cm; border: 1pt windowtext; borde=
r-image: none; font-family: Arial,sans-serif; font-size: 9.5pt;">list.splic=
e(it,<wbr>list2.end()); // this operation is O(1), it is very fast.</span><=
/p><div><br></div></div>

<p></p>

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