Re: [boost] [range] adaptors vs. rvalue to lvalue& binding

Subject: Re: [boost] [range] adaptors vs. rvalue to lvalue& binding
From: Nathan Ridge (zeratul976_at_[hidden])
Date: 2012-03-22 22:44:15

> Back to your function - perhaps taking unqualified template parameter
> is not the best idea, and if you want to take a range you might want to 
> be bit more explicit about it? E.g. like this:
 > 
>    template<typename T1, typename T2>
>    void modifies_range(boost::joined_range<T1, T2> && rng);
 > 
> I hope users of such "modifies_range" function would find nothing to 
> complain about such an interface.

Unfortunately, the reference collapsing no longer works in this case,
so this function will not accept an lvalue joined_range.

Regards,
Nate