38 lines
488 B
C++
38 lines
488 B
C++
#pragma once
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#include <random>
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namespace lt {
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class UUID
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{
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public:
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UUID(uint64_t uuid = -1);
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operator uint64_t() const
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{
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return m_uuid;
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}
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private:
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static std::mt19937_64 s_engine;
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static std::uniform_int_distribution<uint64_t> s_distribution;
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uint64_t m_uuid;
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};
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} // namespace lt
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namespace std {
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template<>
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struct hash<lt::UUID>
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{
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std::size_t operator()(const lt::UUID &uuid) const
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{
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return hash<uint64_t>()(static_cast<uint64_t>(uuid));
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}
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};
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} // namespace std
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