Thank you very much for the fast reply, If i have no problem adding a function that returns the value to sort by (e.g. long GetClientId) and i use BOOST_MULTI_INDEX_CONST_MEM_FUN define key extractor. Would you suggest i use BOOST_MULTI_INDEX_CONST_MEM_FUN,write my own custom key extractor or it does not matter in terms of performance (or anything else)? Thanks Again, Avi Joaquin M Lopez Munoz wrote:
Hi Avi,
----- Mensaje original ----- De: Avi Revivo <revivoavi@hotmail.com> Fecha: Domingo, Diciembre 23, 2007 2:01 pm Asunto: [boost] Multi Index Container - key extractor on a member of a member Para: boost@lists.boost.org
Hi All,
Is it possible/exist a key extractor that can extract a member of a member of the base type stored by the Multi Index container. I tried to do this with the standard member extractor but failed to do so.
You must write your own custom extractor to do so. The tutorial section on this issue (http://tinyurl.com/39shzv ) shows precisely how to write an extractor that provides as the key a member of a member of the element. Please come back if you have problems writing your key extractor after the instructions on the afore- mentioned docs section.
Joaquín M López Muñoz Telefónica, Investigación y Desarrollo _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
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