Mac Xcode 15.0.0 build error

[GeorgeVl]

When compiling the code on Xcode 15 I got

⛔ error: no template named 'unary_function' in namespace 'std'; did you mean '__unary_function'?

In order to fix this I replaced the entry in the file:

👉 _{libraries/osx/boost/include/boost/container_hash/hash.hpp}

struct hash_base : std::__unary_function<T, std::size_t> {};