
Hi Stefan,
Hello everyone. I'm working as a student on this year's GSoC and I have ran into a small problem while using MPL in my code. In a nutshell, I have a class template which takes 6 template parameters, and I would like to use it with some MPL algorithms. The problem is, MPL is configured by default to be capable of working with 5 template params only, so lambda expressions of my class won't work with MPL metafunctions. My code is header-only, meaning I cannot (re)define BOOST_MPL_LIMIT_METAFUNCTION_ARITY appropriately, as the MPL headers might have been included before my headers. Out of my 6 template params, 3 are optional, in case this is relevant or can be exploited in any way. Is there any workaround to my problem?
The only suitable workaround for your case would be to define a "proxy" template with 5 or less parameters specifically for use in MPL lambda expressions. HTH, -- Aleksey Gurtovoy MetaCommunications Engineering