Your declaration looks correct to me. hash_map is part of SGI's STL/STLPort. It will support Standard C++ Allocators IF the underlying compiler is capable of it (requires member template support). Otherwise, it has a nice fallback mechanism that uses its own form of STLPort Allocator. pool_alloc provides a Standard C++ Allocator; it does not support the STLPort Allocator interface. So, it sounds like you're using a compiler that is not capable of supporting Standard C++ Allocators properly. -Steve -----Original Message----- From: Thomas [mailto:hazard@imsa.edu] Sent: Wednesday, May 05, 2004 4:45 PM To: boost@lists.boost.org Subject: [boost] pool_alloc with Pair Associative Container? Can someone give me an example of how to use the boost pool_alloc allocator interface with a Pair Associative Container, like hash_map? I tried doing something like typedef hash_map<long long,double,longLongHasher,boost::pool_allocator< pair<const long long,double> > > tLongLongToDoubleHashMap; ,,,but I get errors when I try to compile code that actually uses tLongLongToDoubleHashMap. Thanks! Thomas -- Thomas <hazard@imsa.edu> _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost