Re: [Boost-users] container traits information

From: abir basak (abirbasak_at_[hidden])
Date: 2007-02-08 00:57:40

Thorsten Ottosen wrote:
> abir basak wrote:
>> Hi,
>>    Is there any boost utility which statically determines if a template 
>> parameter is const or not? ( MPL library ?)
>>
>> I need to design something like boost::sub_range, but little different 
>> (It will iterate over arbitrary sequence stored in a vector form, rather 
>> than a sequence stored in pair form).
>> like,
>> template<typename C>
>> class index_range{
>> private:
>>    C* container_;
>>    std::vector<size_type> index_;
>> };
>> container & index will be passed through constructor.
>> Now if C is const container it will return const_reference etc.
>>
>> Thus what is needed is something like,
>> container_traits<const std::vector>::iterator is a const_iterator
>> while container_traits<std::vector>::iterator is a iterator etc.
> 
> What is wrong with boost::range_iterator<C>::type ?
> 
Nothing wrong! This is exactly what I was looking for.
Thanks for pointing it out! amazing library!

abir
> -Thorsten

-- 
Abir Basak, Member IEEE
Software Engineer, Read Ink Technologies
B. Tech, IIT Kharagpur
email: abir_at_[hidden]
homepage: www.abirbasak.com