Boost
  C++ Libraries
  
  ...one of the most highly
  regarded and expertly designed C++ library projects in the
  world.
 — Herb Sutter and Andrei
  Alexandrescu, C++
  Coding Standards
boost::container::allocator::rebind
// In header: <boost/container/allocator.hpp> template<typename T2> struct rebind { // types typedef allocator< T2, Version, AllocationDisableMask > other; };