Re: [Boost-users] [range] Boost.Range adaptor return types

Subject: Re: [Boost-users] [range] Boost.Range adaptor return types
From: Jeremiah Willcock (jewillco_at_[hidden])
Date: 2010-07-22 14:50:25

On Thu, 22 Jul 2010, Mathias Gaunard wrote:

> Le 22/07/2010 18:42, Jeremiah Willcock wrote:
>> I would like to return an adapted Boost.Range from a function and would
>> like to know what return type to put for the function. In my case, I am
>> wrapping a counting_range with transformed(). Is there a metafunction to
>> compute these return types? Should I just be using boost::result_of? The
>> result_of expression is very long because of the nesting (though of
>> course a typedef can help with the inner parts of that). Thank you for
>> your help.
>> 
>
> boost::transform_range<UnaryFunction, InputRange>.
>
> It seems however that the naming of these things is not consistent, as some 
> have a name that ends with -ed.
> I have file a ticket about this.

I didn't see this in the manual, and I also missed the "using" in the 
source code that pulls in the class from range_detail so I had assumed the 
exact type was internal.  Thank you for clarifying it.

-- Jeremiah Willcock