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From: thorsten.ottosen@dezide.com (Thorsten Ottosen)
Newsgroups: comp.std.c++
Subject: Re: Deprecate the use of plain pointers as standard container iterators
Date: Wed, 10 May 2006 18:36:51 GMT
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Xref: g2news2.google.com comp.std.c++:1886

Peter Dimov wrote:
> 4zumanga@gmail.com wrote:

> If you consider MSVC 7.1 a modern compiler:
> 
> #include <vector>
> 
> unsigned char w1[ 1024 ];
> unsigned char w2[ 1024 ];
> 
> std::vector<unsigned char> v1( 1024 );
> std::vector<unsigned char> v2( 1024 );
> 
> template<class It, class It2> void copy2( It first, It last, It2 out )
> {
>     for( ; first != last; ++first, ++out )
>     {
>         *out = *first;
>     }
> }
> 
> int main()
> {
>     copy2( w1, w1 + 1024, w2 );
>     copy2( v1.begin(), v1.end(), v2.begin() );
> }

FWIW, I think

v2.insert( v2.begin(), v1.begin(), v1.end() );

would result in memcpy in a good library.

-Thorsten

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