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From: "Bo Persson" <bop@gmb.dk>
Newsgroups: comp.lang.c++
Subject: Re: template
Date: Mon, 6 Jun 2011 12:17:31 +0200
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bx wrote:
> template<>
> typename basic_trait<std::vector<float> >::Basic
> DataRef<std::vector<float> >::operator[](std::size_t index) const;
>
> Hi
> with the above i get error:
> using ‘typename’ outside of template
> Any help? Also I don't understand typename.
> Thanks

typename is currently only allowed when actually needed. As there are 
no template parameters in "basic_trait<std::vector<float> >::Basic", 
this is just an ordinary type, and typename is not needed.


In the upcoming C++11 these rules are somewhat relaxed.


Bo Persson