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

Header <boost/pool/object_pool.hpp>

Provides a template type boost::object_pool<T, UserAllocator> that can be used for fast and efficient memory allocation of objects of type T. It also provides automatic destruction of non-deallocated objects.

namespace boost {
  template<typename T, typename UserAllocator> class object_pool;
}