RE: [boost] Iterator Adaptor not using traits as template args

From: Aleksey Gurtovoy (alexy_at_[hidden])
Date: 2001-02-28 07:35:41

Jeremy Siek wrote:
> Another variation:
> 
>   boost::iterator_adaptor<int*, reverse_iterator_policies,
>     iterator_traits_builder
>       ::Reference<int>::Pointer<int*>::Distance<std::ptrdiff_t>
>       ::Value<int>::Category<std::input_iterator_tag>
>   >
> 
> The above is closer to Aleksey's initial suggestion, except 
> that the Base
> type does not go into the iterator_traits_builder. Instead types not
> specified in the iterator_traits_builder are assigned a 
> default_argument
> type, which the iterator_adaptor notices and swaps for the 
> real default
> type.

I like this version! (well, would like to get rid of mixed case, though, but
don't see any better way to spell 'reference' without hiding the nested
typedef too...)

Aleksey