hash.hpp

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#pragma once
#include <cstdint>
#include <memory>
 
namespace utils
{
template<class T>
inline void hash_combine(std::size_t& seed, const T& v)
{
    std::hash<T> hasher;
    seed ^= hasher(v) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
}
} // namespace utils