Vladimir Batov wrote:
Can you put together some kind of proof-of-concept code for me to better understand how you want to do that.
I have put together a rough example of what I have in mind. Please, find the code attached. It works on my GCC 4.3. It converts integral types to strings and back, it also supports the "converter" functor that can be used with algorithms. Both of them support a couple of named parameters for customization. The implementation also has a fundamental support for further extension by adding new conversion tags and specializing the "converter_impl" template on them. In order to inject new conversion tags into the library one has to overload "get_conversion_tag" function. I admit that it doesn't look very pretty, but it's a start, and it's non-intrusive. Maybe someone will suggest something better. PS: I had to extend Boost.Parameter a little, but that's not too much and can be moved to Boost.Parameter if needed.