From: Sergey Shandar (sergey_at_[hidden])
Date: 2007-11-10 04:15:29
Thorsten Ottosen wrote:
> David Abrahams skrev:
>> on Fri Nov 09 2007, Thorsten Ottosen <nesotto-AT-cs.aau.dk> wrote:
>>> Dear all,
>>> As suggested by several people, I have started to rely on
>>> range_difference<T>::type in all places of the library.
>>> I have also updated the docs w.r.t new concepts and are working on
>>> polishing them.
>>> 1.35 will introduce a new function
>>> template< class T >
>>> BOOST_DEDUCED_TYPENAME range_difference<T>::type size( const T& r );
>> Really, you're returning the difference_type and not the size_type?
> Yes, that was the intension. Iterators don't have a size_type per se,
> and so it complicated the whole thing a little to make the user worry
> about this.
> Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
Would it be better to use a meta-function 'make_unsigned' which converts
signed type to its correspondent unsigned type? For example:
signed int => unsigned int
::std::ptrdif_t => ::std::size_t
I've used it for my iterator range:
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