Re: [Boost-users] [Range] invalid initialization of non-const type with adaptors

Subject: Re: [Boost-users] [Range] invalid initialization of non-const type with adaptors
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2010-05-10 09:24:30

Neil Groves wrote:

> This can't easily be remedied since the Range Concept is non-copyable, 
> and we obviously can't pass a const reference as the target to the fill 
> algorithm. Making the Range Concept cheaply copyable would mean that the 
> standard containers were no longer a model of the Range Concepts. I am 
> currently investigating extending the sub_range

It should be perfectly ok to make iterator_range and sub_range cheaply 
copyable, since they just wrap iterators.
No need to extend the range concepts for that; iterator_range would 
simply provide more than those concepts.