Thorsten Ottosen wrote:
Francois Barel skrev:
Hi list,
boost::iterator_range currently contains both 'iterator' and 'reference' typedefs, and yet only a 'const_iterator' one (no 'const_reference'). <snip>
I guess it possible, and sub-range already has the const_reference typedef. There might also be some minor tweaks to better support iterators that return proxies or by value for operator*().
I'll look into it.
-Thorsten
I hit similar problems just yesterday dealing with rows of images from GIL as ranges, since I think GIL uses proxies instead of references. I noticed that some code (wither range or transform_iterator) just uses the value type as a const reference, which gave me confusing compiler problems I am going to have to work through today. --John