#include <boost/poly_collection/base_collection.hpp>
#include <boost/poly_collection/algorithm.hpp>

struct Base { ~Base() = default; };

template<class T>
void segment_split(T, T) {}

int main() {
    boost::base_collection<Base> c;
    boost::poly_collection::all_of(c.begin(), c.end(), [](auto& x) { return true; });
}