Re: C++11 features, move semantics?

[François Legendre <F Legendre u-pec fr>]

2015-01-28 14:00 GMT+01:00 Russel Winder <russel winder org uk>:
> On Wed, 2015-01-21 at 11:36 +0100, François Legendre wrote:
> > Hi,
> >
> > For range based loop, why not use the name of the element (and not the indice) ?
> >
> > -    for(unsigned i = 0; i < names.size(); i++)
> > -      std::cout << names[i] << "." << std::endl;
> > +    for(const auto& i : names)
> > +      std::cout << i << "." << std::endl;
> >
> > +    for(const auto& name : names)
> > +      std::cout << name << "." << std::endl;
>
> What about using:
>
>         for (auto&& name: names)
>
> ?
We want a const traversal ; it is less secure to code "auto&&".
---
François

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> Russel.
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