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The boost ptr_list documentation states that the container uses an underlying std::list<void*>.
Why are they using this type instead of a more specialized std::list<T*>?
It’s probably to cut down on the number of template instantiations. If it uses a
std::list<T*>, then every use ofptr_list<T>would also instantiatestd::list<T*>. That’s a lot of instantiations if you useptr_lista lot.