Sounds like the if_recur template metaprogram found here:
http://svn.boost.org/svn/boost/sandbox/variadic_templates/boost/mpl/if_ recur.hpp
does what your asking, except for templates, not values. I'd guess it could serve as a guide on how to do it for values.
-regards,
Larry
How does it know when to stop? Does the supplied if_recur have to include a "end" test? TradeStation Group, Inc. is a publicly-traded holding company (NASDAQ GS: TRAD) of three operating subsidiaries, TradeStation Securities, Inc. (Member NYSE, FINRA, SIPC and NFA), TradeStation Technologies, Inc., a trading software and subscription company, and TradeStation Europe Limited, a United Kingdom, FSA-authorized introducing brokerage firm. None of these companies provides trading or investment advice, recommendations or endorsements of any kind. The information transmitted is intended only for the person or entity to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient is prohibited. If you received this in error, please contact the sender and delete the material from any computer.