Re: [boost] Re: Re: Re: Re: FOREACH / C++ "for" proposal

From: Peter Dimov (pdimov_at_[hidden])
Date: 2005-05-11 15:45:46

Thorsten Ottosen wrote:

> I don't know why you insists that we need two overloads.
> 
> Given
> 
> template< class T >
> MyType
> {
>    Iter Begin();
>    ConstIter Begin() const;
>    ...
> };
> 
> surely
> 
> template< class T >
> auto begin( MyType<T>&& r ) -> decltype( r.Begin() )
> { return r.Begin(); }
> 
> can handle both const and non-const arguments.

No, it can't.