[Boost-users] Re: Problems using custom iterator with std::partial_sort_copy

From: David Abrahams (dave_at_[hidden])
Date: 2004-08-20 13:26:15

Martin Magnusson <martin.magnusson_at_[hidden]> writes:

> I have written a custom iterator based on boost::iterator_facade, and
> I'm trying to use this with the std::partial_sort_copy algorithm.
>
> However, when compiling with g++ I get an error message saying that
> there is no matching function for a call to
> counting_iterator(Vertex<3>&). The way I interpret this is that my
> code is trying to construct a Vertex_Iterator from a Vertex object,
> but that was not my intenton.

No, it's trying to create a counting_iterator.  Why doubt the error
message?

Where that iterator is coming from, I can't tell you.  The problem is
that it's a counting_iterator over size_t values, and the code is
initializing it with a Vertex<3>&.

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com